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57010540 = 2256414447
BaseRepresentation
bin1101100101111…
…0100101101100
310222021102202111
43121132211230
5104043314130
65353533404
71261403326
oct331364554
9128242674
1057010540
112a1a9954
1217114264
13ba71362
147800616
15501202a
hex365e96c

57010540 has 24 divisors (see below), whose sum is σ = 119935872. Its totient is φ = 22763520.

The previous prime is 57010517. The next prime is 57010543. The reversal of 57010540 is 4501075.

It is not an unprimeable number, because it can be changed into a prime (57010543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10597 + ... + 15043.

It is an arithmetic number, because the mean of its divisors is an integer number (4997328).

Almost surely, 257010540 is an apocalyptic number.

It is an amenable number.

57010540 is an abundant number, since it is smaller than the sum of its proper divisors (62925332).

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

57010540 is a wasteful number, since it uses less digits than its factorization.

57010540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5097 (or 5095 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 57010540 is about 7550.5324315574. The cubic root of 57010540 is about 384.8738328364.

The spelling of 57010540 in words is "fifty-seven million, ten thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 641 1282 2564 3205 4447 6410 8894 12820 17788 22235 44470 88940 2850527 5701054 11402108 14252635 28505270 57010540