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557000207 = 10317930211
BaseRepresentation
bin100001001100110…
…010011000001111
31102211002112122022
4201030302120033
52120043001312
6131134240355
716542265211
oct4114623017
91384075568
10557000207
11266459555
121366560bb
138b52182a
1453d925b1
1533d77172
hex2133260f

557000207 has 8 divisors (see below), whose sum is σ = 565568640. Its totient is φ = 548492760.

The previous prime is 557000203. The next prime is 557000221. The reversal of 557000207 is 702000755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 557000207 - 22 = 557000203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557000201) 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 7 ways as a sum of consecutive naturals, for example, 3332 + ... + 33542.

It is an arithmetic number, because the mean of its divisors is an integer number (70696080).

Almost surely, 2557000207 is an apocalyptic number.

557000207 is a deficient number, since it is larger than the sum of its proper divisors (8568433).

557000207 is a wasteful number, since it uses less digits than its factorization.

557000207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30493.

The product of its (nonzero) digits is 2450, while the sum is 26.

The square root of 557000207 is about 23600.8518278472. The cubic root of 557000207 is about 822.7826380579.

The spelling of 557000207 in words is "five hundred fifty-seven million, two hundred seven", and thus it is an aban number.

Divisors: 1 103 179 18437 30211 3111733 5407769 557000207