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57700445 = 5112345613
BaseRepresentation
bin1101110000011…
…1000001011101
311000120111010112
43130013001131
5104232403240
65420415405
71300305605
oct334070135
9130514115
1057700445
112a630220
12173a7565
13bc5339a
14793dc05
1550eb665
hex370705d

57700445 has 16 divisors (see below), whose sum is σ = 78820992. Its totient is φ = 40138560.

The previous prime is 57700439. The next prime is 57700457. The reversal of 57700445 is 54400775.

57700445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57700445 - 218 = 57438301 is a prime.

It is a Duffinian number.

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, 21542 + ... + 24071.

It is an arithmetic number, because the mean of its divisors is an integer number (4926312).

Almost surely, 257700445 is an apocalyptic number.

57700445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57700445 is a deficient number, since it is larger than the sum of its proper divisors (21120547).

57700445 is a wasteful number, since it uses less digits than its factorization.

57700445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45652.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 57700445 is about 7596.0808974102. The cubic root of 57700445 is about 386.4201109353.

The spelling of 57700445 in words is "fifty-seven million, seven hundred thousand, four hundred forty-five".

Divisors: 1 5 11 23 55 115 253 1265 45613 228065 501743 1049099 2508715 5245495 11540089 57700445