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57869956 = 2214467489
BaseRepresentation
bin1101110011000…
…0011010000100
311000220002122201
43130300122010
5104303314311
65424204244
71301613034
oct334603204
9130802581
1057869956
112a736611
1217469684
13bcb25a1
1479858c4
1551319c1
hex3730684

57869956 has 6 divisors (see below), whose sum is σ = 101272430. Its totient is φ = 28934976.

The previous prime is 57869951. The next prime is 57870013. The reversal of 57869956 is 65996875.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 35212356 + 22657600 = 5934^2 + 4760^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57869897 and 57869906.

It is not an unprimeable number, because it can be changed into a prime (57869951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7233741 + ... + 7233748.

Almost surely, 257869956 is an apocalyptic number.

It is an amenable number.

57869956 is a deficient number, since it is larger than the sum of its proper divisors (43402474).

57869956 is a wasteful number, since it uses less digits than its factorization.

57869956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14467493 (or 14467491 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 55.

The square root of 57869956 is about 7607.2305078787. The cubic root of 57869956 is about 386.7981462638.

Subtracting from 57869956 its product of digits (4082400), we obtain a square (53787556 = 73342).

The spelling of 57869956 in words is "fifty-seven million, eight hundred sixty-nine thousand, nine hundred fifty-six".

Divisors: 1 2 4 14467489 28934978 57869956