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57259984 = 245216869
BaseRepresentation
bin1101101001101…
…1011111010000
310222202002221011
43122123133100
5104124304414
65403140304
71263462505
oct332333720
9128662834
1057259984
112a35a301
1217214694
13bb2aa62
1478674ac
155060dc4
hex369b7d0

57259984 has 20 divisors (see below), whose sum is σ = 111170340. Its totient is φ = 28570880.

The previous prime is 57259967. The next prime is 57259987. The reversal of 57259984 is 48995275.

It can be written as a sum of positive squares in 2 ways, for example, as 6451600 + 50808384 = 2540^2 + 7128^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57259987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4902 + ... + 11770.

It is an arithmetic number, because the mean of its divisors is an integer number (5558517).

Almost surely, 257259984 is an apocalyptic number.

It is an amenable number.

57259984 is a deficient number, since it is larger than the sum of its proper divisors (53910356).

57259984 is a wasteful number, since it uses less digits than its factorization.

57259984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7398 (or 7392 counting only the distinct ones).

The product of its digits is 907200, while the sum is 49.

The square root of 57259984 is about 7567.0327077395. The cubic root of 57259984 is about 385.4343419888.

The spelling of 57259984 in words is "fifty-seven million, two hundred fifty-nine thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 16 521 1042 2084 4168 6869 8336 13738 27476 54952 109904 3578749 7157498 14314996 28629992 57259984