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54605868 = 2234550489
BaseRepresentation
bin1101000001001…
…1100000101100
310210202021011120
43100103200230
5102434341433
65230220540
71232066532
oct320234054
9123667146
1054605868
1128907219
1216354750
13b40b985
147376152
154bd97b3
hex341382c

54605868 has 12 divisors (see below), whose sum is σ = 127413720. Its totient is φ = 18201952.

The previous prime is 54605851. The next prime is 54605879. The reversal of 54605868 is 86850645.

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

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

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, 2275233 + ... + 2275256.

It is an arithmetic number, because the mean of its divisors is an integer number (10617810).

Almost surely, 254605868 is an apocalyptic number.

It is an amenable number.

54605868 is an abundant number, since it is smaller than the sum of its proper divisors (72807852).

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

54605868 is a wasteful number, since it uses less digits than its factorization.

54605868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4550496 (or 4550494 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 54605868 is about 7389.5783370907. The cubic root of 54605868 is about 379.3846643252.

The spelling of 54605868 in words is "fifty-four million, six hundred five thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 4550489 9100978 13651467 18201956 27302934 54605868