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57090590 = 2517499673
BaseRepresentation
bin1101100111001…
…0001000011110
310222102111120022
43121302020132
5104103344330
65355352142
71262155604
oct331621036
9128374508
1057090590
112a254007
1217152652
13ba9b91b
147821874
15502aae5
hex367221e

57090590 has 32 divisors (see below), whose sum is σ = 109188000. Its totient is φ = 21417984.

The previous prime is 57090569. The next prime is 57090601. The reversal of 57090590 is 9509075.

57090590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 57090590.

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 15 ways as a sum of consecutive naturals, for example, 84494 + ... + 85166.

It is an arithmetic number, because the mean of its divisors is an integer number (3412125).

Almost surely, 257090590 is an apocalyptic number.

57090590 is a deficient number, since it is larger than the sum of its proper divisors (52097410).

57090590 is a wasteful number, since it uses less digits than its factorization.

57090590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196.

The product of its (nonzero) digits is 14175, while the sum is 35.

The square root of 57090590 is about 7555.8315227379. The cubic root of 57090590 is about 385.0538857505.

The spelling of 57090590 in words is "fifty-seven million, ninety thousand, five hundred ninety".

Divisors: 1 2 5 10 17 34 85 170 499 673 998 1346 2495 3365 4990 6730 8483 11441 16966 22882 42415 57205 84830 114410 335827 671654 1679135 3358270 5709059 11418118 28545295 57090590