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56725090 = 25171911747
BaseRepresentation
bin1101100001100…
…0111001100010
310221201221012021
43120120321202
5104010200330
65343452054
71256104162
oct330307142
9127657167
1056725090
112a024444
1216bb702a
13b9a1456
1477685a2
154ea767a
hex3618e62

56725090 has 32 divisors (see below), whose sum is σ = 108739584. Its totient is φ = 21231360.

The previous prime is 56725069. The next prime is 56725111. The reversal of 56725090 is 9052765.

It is an interprime number because it is at equal distance from previous prime (56725069) and next prime (56725111).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31597 + ... + 33343.

It is an arithmetic number, because the mean of its divisors is an integer number (3398112).

Almost surely, 256725090 is an apocalyptic number.

56725090 is a deficient number, since it is larger than the sum of its proper divisors (52014494).

56725090 is a wasteful number, since it uses less digits than its factorization.

56725090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 56725090 is about 7531.6060704208. The cubic root of 56725090 is about 384.2304073326.

The spelling of 56725090 in words is "fifty-six million, seven hundred twenty-five thousand, ninety".

Divisors: 1 2 5 10 17 34 85 170 191 382 955 1747 1910 3247 3494 6494 8735 16235 17470 29699 32470 59398 148495 296990 333677 667354 1668385 3336770 5672509 11345018 28362545 56725090