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557008039 = 7212599029
BaseRepresentation
bin100001001100110…
…100010010100111
31102211002221101101
4201030310102213
52120043224124
6131134340531
716542330100
oct4114642247
91384087341
10557008039
11266464425
1213665a747
138b525273
1453d953a7
1533d79644
hex213344a7

557008039 has 12 divisors (see below), whose sum is σ = 648534600. Its totient is φ = 477003408.

The previous prime is 557008037. The next prime is 557008057. The reversal of 557008039 is 930800755.

It is not a de Polignac number, because 557008039 - 21 = 557008037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 557007989 and 557008007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557008033) 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, 57177 + ... + 66205.

It is an arithmetic number, because the mean of its divisors is an integer number (54044550).

Almost surely, 2557008039 is an apocalyptic number.

557008039 is a deficient number, since it is larger than the sum of its proper divisors (91526561).

557008039 is a wasteful number, since it uses less digits than its factorization.

557008039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10302 (or 10295 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 557008039 is about 23601.0177534783. The cubic root of 557008039 is about 822.7864944319.

The spelling of 557008039 in words is "five hundred fifty-seven million, eight thousand, thirty-nine".

Divisors: 1 7 49 1259 8813 9029 61691 63203 442421 11367511 79572577 557008039