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557488323 = 3278849021
BaseRepresentation
bin100001001110101…
…001100011000011
31102212000100012200
4201032221203003
52120204111243
6131152524243
716546400250
oct4116514303
91385010180
10557488323
11266762257
12136850683
138b662a62
145407c427
1533e21ad3
hex213a98c3

557488323 has 12 divisors (see below), whose sum is σ = 920298288. Its totient is φ = 318564720.

The previous prime is 557488313. The next prime is 557488331. The reversal of 557488323 is 323884755.

It is not a de Polignac number, because 557488323 - 210 = 557487299 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (557488313) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4424448 + ... + 4424573.

It is an arithmetic number, because the mean of its divisors is an integer number (76691524).

Almost surely, 2557488323 is an apocalyptic number.

557488323 is a deficient number, since it is larger than the sum of its proper divisors (362809965).

557488323 is a wasteful number, since it uses less digits than its factorization.

557488323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8849034 (or 8849031 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 557488323 is about 23611.1906307158. The cubic root of 557488323 is about 823.0229109261.

The spelling of 557488323 in words is "five hundred fifty-seven million, four hundred eighty-eight thousand, three hundred twenty-three".

Divisors: 1 3 7 9 21 63 8849021 26547063 61943147 79641189 185829441 557488323