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557040024 = 233319135731
BaseRepresentation
bin100001001100111…
…100000110011000
31102211011120021000
4201030330012120
52120100240044
6131135145000
716542522252
oct4114740630
91384146230
10557040024
11266486462
12136675160
138b5369a8
1453da2cd2
1533d83d69
hex2133c198

557040024 has 64 divisors (see below), whose sum is σ = 1628784000. Its totient is φ = 175906080.

The previous prime is 557040019. The next prime is 557040073. The reversal of 557040024 is 420040755.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 557040024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63762 + ... + 71969.

It is an arithmetic number, because the mean of its divisors is an integer number (25449750).

Almost surely, 2557040024 is an apocalyptic number.

557040024 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

557040024 is an abundant number, since it is smaller than the sum of its proper divisors (1071743976).

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

557040024 is a wasteful number, since it uses less digits than its factorization.

557040024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135765 (or 135755 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 557040024 is about 23601.6953628336. The cubic root of 557040024 is about 822.8022430510.

Adding to 557040024 its reverse (420040755), we get a palindrome (977080779).

The spelling of 557040024 in words is "five hundred fifty-seven million, forty thousand, twenty-four".

Divisors: 1 2 3 4 6 8 9 12 18 19 24 27 36 38 54 57 72 76 108 114 152 171 216 228 342 456 513 684 1026 1368 2052 4104 135731 271462 407193 542924 814386 1085848 1221579 1628772 2443158 2578889 3257544 3664737 4886316 5157778 7329474 7736667 9772632 10315556 14658948 15473334 20631112 23210001 29317896 30946668 46420002 61893336 69630003 92840004 139260006 185680008 278520012 557040024