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557992500 = 22354135997
BaseRepresentation
bin100001010000100…
…100101000110100
31102212221221210220
4201100210220310
52120321230000
6131211414340
716553600202
oct4120445064
91385857726
10557992500
11266a7702a
12136a543b0
138b7ab3a0
1454170072
1533ec11a0
hex21424a34

557992500 has 240 divisors, whose sum is σ = 1800173760. Its totient is φ = 133632000.

The previous prime is 557992471. The next prime is 557992517. The reversal of 557992500 is 5299755.

It is a super-2 number, since 2×5579925002 = 622711260112500000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5752452 + ... + 5752548.

It is an arithmetic number, because the mean of its divisors is an integer number (7500724).

Almost surely, 2557992500 is an apocalyptic number.

557992500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557992500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (900086880).

557992500 is an abundant number, since it is smaller than the sum of its proper divisors (1242181260).

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

557992500 is a wasteful number, since it uses less digits than its factorization.

557992500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 141750, while the sum is 42.

The square root of 557992500 is about 23621.8648713432. The cubic root of 557992500 is about 823.2709425460.

The spelling of 557992500 in words is "five hundred fifty-seven million, nine hundred ninety-two thousand, five hundred".