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57472838 = 2291019811
BaseRepresentation
bin1101101100111…
…1011101000110
311000010220220122
43123033131012
5104203112323
65411501542
71265340203
oct333173506
9130126818
1057472838
112a495215
12172b78b2
13bba38c7
1478c0caa
1550a3ec8
hex36cf746

57472838 has 16 divisors (see below), whose sum is σ = 90074160. Its totient is φ = 27468000.

The previous prime is 57472823. The next prime is 57472841. The reversal of 57472838 is 83827475.

It is a happy number.

It is a congruent number.

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, 953 + ... + 10763.

It is an arithmetic number, because the mean of its divisors is an integer number (5629635).

Almost surely, 257472838 is an apocalyptic number.

57472838 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

57472838 is a deficient number, since it is larger than the sum of its proper divisors (32601322).

57472838 is a wasteful number, since it uses less digits than its factorization.

57472838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9943.

The product of its digits is 376320, while the sum is 44.

The square root of 57472838 is about 7581.0842232493. The cubic root of 57472838 is about 385.9113463884.

The spelling of 57472838 in words is "fifty-seven million, four hundred seventy-two thousand, eight hundred thirty-eight".

Divisors: 1 2 29 58 101 202 2929 5858 9811 19622 284519 569038 990911 1981822 28736419 57472838