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57050508 = 22343110563
BaseRepresentation
bin1101100110100…
…0010110001100
310222100110120210
43121220112030
5104101104013
65354442420
71261631004
oct331502614
9128313523
1057050508
112a226989
1217133410
13ba865c8
147811004
15501dcc3
hex366858c

57050508 has 24 divisors (see below), whose sum is σ = 136214848. Its totient is φ = 18574416.

The previous prime is 57050507. The next prime is 57050533. The reversal of 57050508 is 80505075.

It is a happy number.

It is a super-3 number, since 3×570505083 (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (57050501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54766 + ... + 55797.

Almost surely, 257050508 is an apocalyptic number.

It is an amenable number.

57050508 is an abundant number, since it is smaller than the sum of its proper divisors (79164340).

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

57050508 is a wasteful number, since it uses less digits than its factorization.

57050508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110613 (or 110611 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 57050508 is about 7553.1786686136. The cubic root of 57050508 is about 384.9637521392.

The spelling of 57050508 in words is "fifty-seven million, fifty thousand, five hundred eight".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 516 110563 221126 331689 442252 663378 1326756 4754209 9508418 14262627 19016836 28525254 57050508