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57590420 = 2252879521
BaseRepresentation
bin1101101110110…
…0001010010100
311000100220012112
43123230022110
5104220343140
65414210152
71266340046
oct333541224
9130326175
1057590420
112a565598
1217353958
13bc15294
147911a96
1550c8c65
hex36ec294

57590420 has 12 divisors (see below), whose sum is σ = 120939924. Its totient is φ = 23036160.

The previous prime is 57590371. The next prime is 57590461. The reversal of 57590420 is 2409575.

57590420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 38962564 + 18627856 = 6242^2 + 4316^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1439741 + ... + 1439780.

It is an arithmetic number, because the mean of its divisors is an integer number (10078327).

Almost surely, 257590420 is an apocalyptic number.

It is an amenable number.

57590420 is an abundant number, since it is smaller than the sum of its proper divisors (63349504).

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

57590420 is a wasteful number, since it uses less digits than its factorization.

57590420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879530 (or 2879528 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 57590420 is about 7588.8352202430. The cubic root of 57590420 is about 386.1743420341.

Adding to 57590420 its reverse (2409575), we get a palindrome (59999995).

The spelling of 57590420 in words is "fifty-seven million, five hundred ninety thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 2879521 5759042 11518084 14397605 28795210 57590420