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57472572 = 2234789381
BaseRepresentation
bin1101101100111…
…1011000111100
311000010220112210
43123033120330
5104203110242
65411500420
71265336343
oct333173074
9130126483
1057472572
112a494aa3
12172b7710
13bba3751
1478c0b5a
1550a3d9c
hex36cf63c

57472572 has 12 divisors (see below), whose sum is σ = 134102696. Its totient is φ = 19157520.

The previous prime is 57472537. The next prime is 57472573. The reversal of 57472572 is 27527475.

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

It is a self number, because there is not a number n which added to its sum of digits gives 57472572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57472573) 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, 2394679 + ... + 2394702.

Almost surely, 257472572 is an apocalyptic number.

It is an amenable number.

57472572 is an abundant number, since it is smaller than the sum of its proper divisors (76630124).

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

57472572 is a wasteful number, since it uses less digits than its factorization.

57472572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4789388 (or 4789386 counting only the distinct ones).

The product of its digits is 137200, while the sum is 39.

The square root of 57472572 is about 7581.0666795643. The cubic root of 57472572 is about 385.9107510197.

The spelling of 57472572 in words is "fifty-seven million, four hundred seventy-two thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 12 4789381 9578762 14368143 19157524 28736286 57472572