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557645484 = 2231131136277
BaseRepresentation
bin100001001111001…
…111111010101100
31102212022022210110
4201033033322230
52120224123414
6131200140020
716550623404
oct4117177254
91385268713
10557645484
1126685a340
12136907610
138b6b9456
14540bd804
1533e53459
hex213cfeac

557645484 has 48 divisors (see below), whose sum is σ = 1465261056. Its totient is φ = 163531200.

The previous prime is 557645483. The next prime is 557645507. The reversal of 557645484 is 484546755.

It is not an unprimeable number, because it can be changed into a prime (557645483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64047 + ... + 72230.

It is an arithmetic number, because the mean of its divisors is an integer number (30526272).

Almost surely, 2557645484 is an apocalyptic number.

It is an amenable number.

557645484 is an abundant number, since it is smaller than the sum of its proper divisors (907615572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

557645484 is a wasteful number, since it uses less digits than its factorization.

557645484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136326 (or 136324 counting only the distinct ones).

The product of its digits is 2688000, while the sum is 48.

The square root of 557645484 is about 23614.5185002786. The cubic root of 557645484 is about 823.1002428603.

The spelling of 557645484 in words is "five hundred fifty-seven million, six hundred forty-five thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 11 12 22 31 33 44 62 66 93 124 132 186 341 372 682 1023 1364 2046 4092 136277 272554 408831 545108 817662 1499047 1635324 2998094 4224587 4497141 5996188 8449174 8994282 12673761 16898348 17988564 25347522 46470457 50695044 92940914 139411371 185881828 278822742 557645484