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57523345 = 51123371229
BaseRepresentation
bin1101101101101…
…1110010010001
311000020111012021
43123123302101
5104211221340
65412531441
71265640355
oct333336221
9130214167
1057523345
112a51a160
1217320b81
13bbc08a9
1478d5465
1550b3e4a
hex36dbc91

57523345 has 32 divisors (see below), whose sum is σ = 80766720. Its totient is φ = 38903040.

The previous prime is 57523339. The next prime is 57523351. The reversal of 57523345 is 54332575.

It is an interprime number because it is at equal distance from previous prime (57523339) and next prime (57523351).

It is not a de Polignac number, because 57523345 - 25 = 57523313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57523345.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46191 + ... + 47419.

It is an arithmetic number, because the mean of its divisors is an integer number (2523960).

Almost surely, 257523345 is an apocalyptic number.

57523345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57523345 is a deficient number, since it is larger than the sum of its proper divisors (23243375).

57523345 is a wasteful number, since it uses less digits than its factorization.

57523345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305.

The product of its digits is 63000, while the sum is 34.

The square root of 57523345 is about 7584.4146115570. The cubic root of 57523345 is about 386.0243592957.

The spelling of 57523345 in words is "fifty-seven million, five hundred twenty-three thousand, three hundred forty-five".

Divisors: 1 5 11 23 37 55 115 185 253 407 851 1229 1265 2035 4255 6145 9361 13519 28267 45473 46805 67595 141335 227365 310937 500203 1045879 1554685 2501015 5229395 11504669 57523345