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557016572 = 22729739397
BaseRepresentation
bin100001001100110…
…110010111111100
31102211010101002102
4201030312113330
52120044012242
6131134444232
716542364010
oct4114662774
91384111072
10557016572
1126646a882
12136663678
138b529108
1453d98540
1533d7be32
hex213365fc

557016572 has 48 divisors (see below), whose sum is σ = 1168359360. Its totient is φ = 227308032.

The previous prime is 557016571. The next prime is 557016589. The reversal of 557016572 is 275610755.

It is a super-2 number, since 2×5570165722 = 620534922965262368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557016571) 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, 54578 + ... + 63974.

It is an arithmetic number, because the mean of its divisors is an integer number (24340820).

Almost surely, 2557016572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557016572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (584179680).

557016572 is an abundant number, since it is smaller than the sum of its proper divisors (611342788).

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

557016572 is a wasteful number, since it uses less digits than its factorization.

557016572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9510 (or 9508 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 38.

The square root of 557016572 is about 23601.1985288883. The cubic root of 557016572 is about 822.7906959280.

The spelling of 557016572 in words is "five hundred fifty-seven million, sixteen thousand, five hundred seventy-two".

Divisors: 1 2 4 7 14 28 29 58 73 116 146 203 292 406 511 812 1022 2044 2117 4234 8468 9397 14819 18794 29638 37588 59276 65779 131558 263116 272513 545026 685981 1090052 1371962 1907591 2743924 3815182 4801867 7630364 9603734 19207468 19893449 39786898 79573796 139254143 278508286 557016572