Search a number
-
+
156180136 = 23710327077
BaseRepresentation
bin10010100111100…
…01111010101000
3101212212202212111
421103301322220
5304440231021
623255252104
73604336450
oct1123617250
9355782774
10156180136
11801834a2
124437a034
1326483ba8
1416a56d60
15daa08e1
hex94f1ea8

156180136 has 32 divisors (see below), whose sum is σ = 337933440. Its totient is φ = 66282048.

The previous prime is 156180119. The next prime is 156180169. The reversal of 156180136 is 631081651.

156180136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 156180098 and 156180107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7771 + ... + 19306.

It is an arithmetic number, because the mean of its divisors is an integer number (10560420).

Almost surely, 2156180136 is an apocalyptic number.

It is an amenable number.

156180136 is an abundant number, since it is smaller than the sum of its proper divisors (181753304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156180136 is a wasteful number, since it uses less digits than its factorization.

156180136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27193 (or 27189 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 156180136 is about 12497.2051275475. The cubic root of 156180136 is about 538.5283845803.

The spelling of 156180136 in words is "one hundred fifty-six million, one hundred eighty thousand, one hundred thirty-six".

Divisors: 1 2 4 7 8 14 28 56 103 206 412 721 824 1442 2884 5768 27077 54154 108308 189539 216616 379078 758156 1516312 2788931 5577862 11155724 19522517 22311448 39045034 78090068 156180136