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557125943 = 1150647813
BaseRepresentation
bin100001001101010…
…001000100110111
31102211022221010012
4201031101010313
52120111012233
6131141050435
716543330613
oct4115210467
91384287105
10557125943
11266534a70
121366b6a1b
138b566b2a
1453dc6343
1533d9e548
hex21351137

557125943 has 4 divisors (see below), whose sum is σ = 607773768. Its totient is φ = 506478120.

The previous prime is 557125939. The next prime is 557125949. The reversal of 557125943 is 349521755.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 557125943 - 22 = 557125939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 557125943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557125949) 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 3 ways as a sum of consecutive naturals, for example, 25323896 + ... + 25323917.

It is an arithmetic number, because the mean of its divisors is an integer number (151943442).

Almost surely, 2557125943 is an apocalyptic number.

557125943 is a deficient number, since it is larger than the sum of its proper divisors (50647825).

557125943 is a wasteful number, since it uses less digits than its factorization.

557125943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50647824.

The product of its digits is 189000, while the sum is 41.

The square root of 557125943 is about 23603.5154796907. The cubic root of 557125943 is about 822.8445444468.

The spelling of 557125943 in words is "five hundred fifty-seven million, one hundred twenty-five thousand, nine hundred forty-three".

Divisors: 1 11 50647813 557125943