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57994538 = 2721135237
BaseRepresentation
bin1101110100111…
…0110100101010
311001010102112212
43131032310222
5104321311123
65431005122
71302642200
oct335166452
9131112485
1057994538
112a811178
12175097a2
13c0271c4
1479b9070
155158878
hex374ed2a

57994538 has 24 divisors (see below), whose sum is σ = 102109572. Its totient is φ = 24630144.

The previous prime is 57994537. The next prime is 57994543. The reversal of 57994538 is 83549975.

It can be written as a sum of positive squares in 2 ways, for example, as 57047809 + 946729 = 7553^2 + 973^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57994537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8456 + ... + 13692.

Almost surely, 257994538 is an apocalyptic number.

57994538 is a deficient number, since it is larger than the sum of its proper divisors (44115034).

57994538 is a wasteful number, since it uses less digits than its factorization.

57994538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5366 (or 5359 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 50.

The square root of 57994538 is about 7615.4144995529. The cubic root of 57994538 is about 387.0755126881.

The spelling of 57994538 in words is "fifty-seven million, nine hundred ninety-four thousand, five hundred thirty-eight".

Divisors: 1 2 7 14 49 98 113 226 791 1582 5237 5537 10474 11074 36659 73318 256613 513226 591781 1183562 4142467 8284934 28997269 57994538