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557296992 = 2532721723101
BaseRepresentation
bin100001001101111…
…010110101100000
31102211122121202100
4201031322311200
52120132000432
6131144450400
716544642400
oct4115726540
91384577670
10557296992
1126664152a
12136779a00
138b5c6945
145402c800
1533dd507c
hex2137ad60

557296992 has 432 divisors, whose sum is σ = 2057039712. Its totient is φ = 141926400.

The previous prime is 557296979. The next prime is 557297003. The reversal of 557296992 is 299692755.

It is a happy number.

557296992 is a `hidden beast` number, since 5 + 572 + 9 + 69 + 9 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5517742 + ... + 5517842.

It is an arithmetic number, because the mean of its divisors is an integer number (4761666).

Almost surely, 2557296992 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 557296992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1028519856).

557296992 is an abundant number, since it is smaller than the sum of its proper divisors (1499742720).

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

557296992 is a wasteful number, since it uses less digits than its factorization.

557296992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 153 counting only the distinct ones).

The product of its digits is 3061800, while the sum is 54.

The square root of 557296992 is about 23607.1385813698. The cubic root of 557296992 is about 822.9287458359.

The spelling of 557296992 in words is "five hundred fifty-seven million, two hundred ninety-six thousand, nine hundred ninety-two".