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57353938 = 229988861
BaseRepresentation
bin1101101011001…
…0011011010010
310222220212210221
43122302123102
5104140311223
65405143254
71264333435
oct332623322
9128825727
1057353938
112a413954
121725ab2a
13bb61755
14788d81c
15507db5d
hex36b26d2

57353938 has 8 divisors (see below), whose sum is σ = 88997580. Its totient is φ = 27688080.

The previous prime is 57353929. The next prime is 57353963. The reversal of 57353938 is 83935375.

It can be written as a sum of positive squares in 2 ways, for example, as 55457809 + 1896129 = 7447^2 + 1377^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 57353894 and 57353903.

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, 494373 + ... + 494488.

Almost surely, 257353938 is an apocalyptic number.

57353938 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

57353938 is a deficient number, since it is larger than the sum of its proper divisors (31643642).

57353938 is a wasteful number, since it uses less digits than its factorization.

57353938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988892.

The product of its digits is 340200, while the sum is 43.

The square root of 57353938 is about 7573.2382769856. The cubic root of 57353938 is about 385.6450377612.

The spelling of 57353938 in words is "fifty-seven million, three hundred fifty-three thousand, nine hundred thirty-eight".

Divisors: 1 2 29 58 988861 1977722 28676969 57353938