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168913792 = 273142569
BaseRepresentation
bin10100001000101…
…10101110000000
3102202211201011101
422010112232000
5321220220132
624432224144
74120513015
oct1204265600
9382751141
10168913792
1187390483
124869b054
1328cc1ab8
141860d70c
15ec687e7
hexa116b80

168913792 has 32 divisors (see below), whose sum is σ = 347371200. Its totient is φ = 81730560.

The previous prime is 168913747. The next prime is 168913813. The reversal of 168913792 is 297319861.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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, 17317 + ... + 25252.

It is an arithmetic number, because the mean of its divisors is an integer number (10855350).

Almost surely, 2168913792 is an apocalyptic number.

It is an amenable number.

168913792 is an abundant number, since it is smaller than the sum of its proper divisors (178457408).

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

168913792 is an equidigital number, since it uses as much as digits as its factorization.

168913792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42614 (or 42602 counting only the distinct ones).

The product of its digits is 163296, while the sum is 46.

The square root of 168913792 is about 12996.6838847454. The cubic root of 168913792 is about 552.7834565779.

The spelling of 168913792 in words is "one hundred sixty-eight million, nine hundred thirteen thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 16 31 32 62 64 124 128 248 496 992 1984 3968 42569 85138 170276 340552 681104 1319639 1362208 2639278 2724416 5278556 5448832 10557112 21114224 42228448 84456896 168913792