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557790128 = 24721741851
BaseRepresentation
bin100001001111110…
…011001110110000
31102212120200012122
4201033303032300
52120243241003
6131203213412
716552065200
oct4117631660
91385520178
10557790128
11266948a85
12136977268
138b73a23c
145411a400
1533e81238
hex213f33b0

557790128 has 60 divisors (see below), whose sum is σ = 1331144712. Its totient is φ = 224985600.

The previous prime is 557790127. The next prime is 557790137. The reversal of 557790128 is 821097755.

557790128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×5577901282 = 622259653788512768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (557790127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7598 + ... + 34253.

Almost surely, 2557790128 is an apocalyptic number.

It is an amenable number.

557790128 is an abundant number, since it is smaller than the sum of its proper divisors (773354584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

557790128 is a wasteful number, since it uses less digits than its factorization.

557790128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41890 (or 41877 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 44.

The square root of 557790128 is about 23617.5809091448. The cubic root of 557790128 is about 823.1714028969.

The spelling of 557790128 in words is "five hundred fifty-seven million, seven hundred ninety thousand, one hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 17 28 34 49 56 68 98 112 119 136 196 238 272 392 476 784 833 952 1666 1904 3332 6664 13328 41851 83702 167404 292957 334808 585914 669616 711467 1171828 1422934 2050699 2343656 2845868 4101398 4687312 4980269 5691736 8202796 9960538 11383472 16405592 19921076 32811184 34861883 39842152 69723766 79684304 139447532 278895064 557790128