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557255432 = 23113616433
BaseRepresentation
bin100001001101110…
…000101100001000
31102211120111202002
4201031300230020
52120124133212
6131143530132
716544410256
oct4115605410
91384514662
10557255432
11266613288
12136759948
138b5b0a56
145401b5d6
1533dc7ac2
hex21370b08

557255432 has 16 divisors (see below), whose sum is σ = 1054102140. Its totient is φ = 276161536.

The previous prime is 557255429. The next prime is 557255437. The reversal of 557255432 is 234552755.

It can be written as a sum of positive squares in 2 ways, for example, as 549714916 + 7540516 = 23446^2 + 2746^2 .

It is not an unprimeable number, because it can be changed into a prime (557255437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307313 + ... + 309120.

Almost surely, 2557255432 is an apocalyptic number.

It is an amenable number.

557255432 is a deficient number, since it is larger than the sum of its proper divisors (496846708).

557255432 is a wasteful number, since it uses less digits than its factorization.

557255432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616552 (or 616548 counting only the distinct ones).

The product of its digits is 210000, while the sum is 38.

The square root of 557255432 is about 23606.2583227415. The cubic root of 557255432 is about 822.9082888986.

The spelling of 557255432 in words is "five hundred fifty-seven million, two hundred fifty-five thousand, four hundred thirty-two".

Divisors: 1 2 4 8 113 226 452 904 616433 1232866 2465732 4931464 69656929 139313858 278627716 557255432