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162057144 = 2336752381
BaseRepresentation
bin10011010100011…
…00101110111000
3102021221100121110
421222030232320
5312441312034
624025240320
74005314544
oct1152145670
9367840543
10162057144
1183527a27
12463330a0
1327760c02
1417746a24
15e361de9
hex9a8cbb8

162057144 has 16 divisors (see below), whose sum is σ = 405142920. Its totient is φ = 54019040.

The previous prime is 162057143. The next prime is 162057157. The reversal of 162057144 is 441750261.

162057144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162057143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3376167 + ... + 3376214.

Almost surely, 2162057144 is an apocalyptic number.

It is an amenable number.

162057144 is an abundant number, since it is smaller than the sum of its proper divisors (243085776).

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

162057144 is a wasteful number, since it uses less digits than its factorization.

162057144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6752390 (or 6752386 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 162057144 is about 12730.1666917602. The cubic root of 162057144 is about 545.2002675609.

The spelling of 162057144 in words is "one hundred sixty-two million, fifty-seven thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 6752381 13504762 20257143 27009524 40514286 54019048 81028572 162057144