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57083550 = 2352380557
BaseRepresentation
bin1101100111000…
…0011010011110
310222102010220120
43121300122132
5104103133200
65355255410
71262126226
oct331603236
9128363816
1057083550
112a249797
121714a566
13ba98664
14781d086
1550289a0
hex367069e

57083550 has 24 divisors (see below), whose sum is σ = 141567576. Its totient is φ = 15222240.

The previous prime is 57083549. The next prime is 57083623. The reversal of 57083550 is 5538075.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190129 + ... + 190428.

It is an arithmetic number, because the mean of its divisors is an integer number (5898649).

Almost surely, 257083550 is an apocalyptic number.

57083550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57083550 is an abundant number, since it is smaller than the sum of its proper divisors (84484026).

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

57083550 is a wasteful number, since it uses less digits than its factorization.

57083550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380572 (or 380567 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 57083550 is about 7555.3656430381. The cubic root of 57083550 is about 385.0380577434.

The spelling of 57083550 in words is "fifty-seven million, eighty-three thousand, five hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 380557 761114 1141671 1902785 2283342 3805570 5708355 9513925 11416710 19027850 28541775 57083550