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557731130 = 251119594523
BaseRepresentation
bin100001001111100…
…100110100111010
31102212110200021112
4201033210310322
52120234344010
6131202040322
716551431165
oct4117446472
91385420245
10557731130
11266908720
121369490a2
138b719428
1454102adc
1533e6da05
hex213e4d3a

557731130 has 64 divisors (see below), whose sum is σ = 1172620800. Its totient is φ = 188838720.

The previous prime is 557731099. The next prime is 557731133. The reversal of 557731130 is 31137755.

557731130 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 2×5577311302 = 622128026742153800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (557731133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121049 + ... + 125571.

It is an arithmetic number, because the mean of its divisors is an integer number (18322200).

Almost surely, 2557731130 is an apocalyptic number.

557731130 is an abundant number, since it is smaller than the sum of its proper divisors (614889670).

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

557731130 is a wasteful number, since it uses less digits than its factorization.

557731130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4619.

The product of its (nonzero) digits is 11025, while the sum is 32.

The square root of 557731130 is about 23616.3318489557. The cubic root of 557731130 is about 823.1423793291.

Adding to 557731130 its reverse (31137755), we get a palindrome (588868885).

The spelling of 557731130 in words is "five hundred fifty-seven million, seven hundred thirty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 11 19 22 38 55 59 95 110 118 190 209 295 418 590 649 1045 1121 1298 2090 2242 3245 4523 5605 6490 9046 11210 12331 22615 24662 45230 49753 61655 85937 99506 123310 171874 248765 266857 429685 497530 533714 859370 945307 1334285 1890614 2668570 2935427 4726535 5070283 5870854 9453070 10140566 14677135 25351415 29354270 50702830 55773113 111546226 278865565 557731130