152 (number)

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← 151 152 153 →
Cardinal one hundred fifty-two
Ordinal 152nd
(one hundred fifty-second)
Factorization 23 × 19
Divisors 1, 2, 4, 8, 19, 38, 76, 152
Greek numeral ΡΝΒ´
Roman numeral CLII, clii
Binary 100110002
Ternary 121223
Senary 4126
Octal 2308
Duodecimal 10812
Hexadecimal 9816

152 (one hundred [and] fifty-two) is the natural number following 151 and preceding 153.

Contents

In mathematics

152 is the sum of four consecutive primes (31 + 37 + 41 + 43). It is a nontotient since there is no integer with 152 coprimes below it.

152 is a refactorable number since it is divisible by the total number of divisors it has, and in base 10 it is divisible by the sum of its digits, making it a Harshad number.

The smallest repunit probable prime in base 152 was found in June 2015, it has 589570 digits. [1]

The number of surface points on a 6*6*6 cube is 152. [2]

References

  1. ↑ PRP records
  2. ↑ Sloane, N. J. A. (ed.). "SequenceA005897". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.
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