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57204772 = 22233731667
BaseRepresentation
bin1101101000111…
…0000000100100
310222122022012021
43122032000210
5104121023042
65402032524
71263142522
oct332160044
9128568167
1057204772
112a321879
12171a8744
13bb0b8a1
147851312
15504e867
hex368e024

57204772 has 24 divisors (see below), whose sum is σ = 104803776. Its totient is φ = 27269088.

The previous prime is 57204767. The next prime is 57204793. The reversal of 57204772 is 27740275.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33483 + ... + 35149.

It is an arithmetic number, because the mean of its divisors is an integer number (4366824).

Almost surely, 257204772 is an apocalyptic number.

It is an amenable number.

57204772 is a deficient number, since it is larger than the sum of its proper divisors (47599004).

57204772 is a wasteful number, since it uses less digits than its factorization.

57204772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067 (or 2065 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 34.

The square root of 57204772 is about 7563.3836343266. The cubic root of 57204772 is about 385.3104192369.

The spelling of 57204772 in words is "fifty-seven million, two hundred four thousand, seven hundred seventy-two".

Divisors: 1 2 4 23 46 92 373 746 1492 1667 3334 6668 8579 17158 34316 38341 76682 153364 621791 1243582 2487164 14301193 28602386 57204772