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57644084 = 2214411021
BaseRepresentation
bin1101101111100…
…1010000110100
311000110121211002
43123321100310
5104224102314
65415302432
71266652361
oct333712064
9130417732
1057644084
112a5a1943
121737aa18
13bc33834
147927468
1550d9ade
hex36f9434

57644084 has 6 divisors (see below), whose sum is σ = 100877154. Its totient is φ = 28822040.

The previous prime is 57644071. The next prime is 57644087. The reversal of 57644084 is 48044675.

It can be written as a sum of positive squares in only one way, i.e., 35760400 + 21883684 = 5980^2 + 4678^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57644087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7205507 + ... + 7205514.

It is an arithmetic number, because the mean of its divisors is an integer number (16812859).

Almost surely, 257644084 is an apocalyptic number.

It is an amenable number.

57644084 is a deficient number, since it is larger than the sum of its proper divisors (43233070).

57644084 is a wasteful number, since it uses less digits than its factorization.

57644084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14411025 (or 14411023 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 57644084 is about 7592.3701174271. The cubic root of 57644084 is about 386.2942533336.

The spelling of 57644084 in words is "fifty-seven million, six hundred forty-four thousand, eighty-four".

Divisors: 1 2 4 14411021 28822042 57644084