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162057156 = 22319710777
BaseRepresentation
bin10011010100011…
…00101111000100
3102021221100121220
421222030233010
5312441312111
624025240340
74005314562
oct1152145704
9367840556
10162057156
1183527a38
12463330b0
1327760c11
1417746a32
15e361e06
hex9a8cbc4

162057156 has 24 divisors (see below), whose sum is σ = 398035680. Its totient is φ = 51175872.

The previous prime is 162057143. The next prime is 162057157. The reversal of 162057156 is 651750261.

It is not an unprimeable number, because it can be changed into a prime (162057157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355161 + ... + 355616.

It is an arithmetic number, because the mean of its divisors is an integer number (16584820).

Almost surely, 2162057156 is an apocalyptic number.

It is an amenable number.

162057156 is an abundant number, since it is smaller than the sum of its proper divisors (235978524).

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

162057156 is a wasteful number, since it uses less digits than its factorization.

162057156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710803 (or 710801 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 162057156 is about 12730.1671630816. The cubic root of 162057156 is about 545.2002810179.

The spelling of 162057156 in words is "one hundred sixty-two million, fifty-seven thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 710777 1421554 2132331 2843108 4264662 8529324 13504763 27009526 40514289 54019052 81028578 162057156