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142163652 = 22311846971
BaseRepresentation
bin10000111100100…
…11111011000100
3100220111122212110
420132103323010
5242343214102
622035021020
73344241201
oct1036237304
9326448773
10142163652
117327a724
123b73a770
13235b7107
1414c48ca8
15c73286c
hex8793ec4

142163652 has 12 divisors (see below), whose sum is σ = 331715216. Its totient is φ = 47387880.

The previous prime is 142163617. The next prime is 142163663. The reversal of 142163652 is 256361241.

142163652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5923474 + ... + 5923497.

Almost surely, 2142163652 is an apocalyptic number.

142163652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142163652 is an abundant number, since it is smaller than the sum of its proper divisors (189551564).

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

142163652 is a wasteful number, since it uses less digits than its factorization.

142163652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11846978 (or 11846976 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 142163652 is about 11923.2399959072. The cubic root of 142163652 is about 521.9106877336.

The spelling of 142163652 in words is "one hundred forty-two million, one hundred sixty-three thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 11846971 23693942 35540913 47387884 71081826 142163652