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57385496 = 2374721803
BaseRepresentation
bin1101101011101…
…0001000011000
310222222111002202
43122322020120
5104142313441
65405545332
71264524440
oct332721030
9128874082
1057385496
112a435633
1217275248
13bb72c1c
14789b120
15508819b
hex36ba218

57385496 has 32 divisors (see below), whose sum is σ = 125591040. Its totient is φ = 24069408.

The previous prime is 57385481. The next prime is 57385511. The reversal of 57385496 is 69458375.

It is an interprime number because it is at equal distance from previous prime (57385481) and next prime (57385511).

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 57385496.

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, 8270 + ... + 13533.

It is an arithmetic number, because the mean of its divisors is an integer number (3924720).

Almost surely, 257385496 is an apocalyptic number.

57385496 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

57385496 is an abundant number, since it is smaller than the sum of its proper divisors (68205544).

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

57385496 is a wasteful number, since it uses less digits than its factorization.

57385496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21863 (or 21859 counting only the distinct ones).

The product of its digits is 907200, while the sum is 47.

The square root of 57385496 is about 7575.3215113287. The cubic root of 57385496 is about 385.7157562685.

The spelling of 57385496 in words is "fifty-seven million, three hundred eighty-five thousand, four hundred ninety-six".

Divisors: 1 2 4 7 8 14 28 47 56 94 188 329 376 658 1316 2632 21803 43606 87212 152621 174424 305242 610484 1024741 1220968 2049482 4098964 7173187 8197928 14346374 28692748 57385496