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557773138 = 213235915809
BaseRepresentation
bin100001001111101…
…111000101010010
31102212112210220101
4201033233011102
52120242220023
6131203003014
716551664516
oct4117570522
91385483811
10557773138
1126693723a
1213696946a
138b7325a0
1454114146
1533e7b1ad
hex213ef152

557773138 has 32 divisors (see below), whose sum is σ = 956188800. Its totient is φ = 242052096.

The previous prime is 557773133. The next prime is 557773157. The reversal of 557773138 is 831377755.

It is a happy number.

557773138 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 2×5577731382 = 622221746948734088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (557773133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27378 + ... + 43186.

It is an arithmetic number, because the mean of its divisors is an integer number (29880900).

Almost surely, 2557773138 is an apocalyptic number.

557773138 is a deficient number, since it is larger than the sum of its proper divisors (398415662).

557773138 is a wasteful number, since it uses less digits than its factorization.

557773138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15906.

The product of its digits is 617400, while the sum is 46.

The square root of 557773138 is about 23617.2212167308. The cubic root of 557773138 is about 823.1630450198.

The spelling of 557773138 in words is "five hundred fifty-seven million, seven hundred seventy-three thousand, one hundred thirty-eight".

Divisors: 1 2 13 23 26 46 59 118 299 598 767 1357 1534 2714 15809 17641 31618 35282 205517 363607 411034 727214 932731 1865462 4726891 9453782 12125503 21452813 24251006 42905626 278886569 557773138