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557196025 = 5247212
BaseRepresentation
bin100001001101100…
…010001011111001
31102211110111020211
4201031202023321
52120120233100
6131142351121
716544042131
oct4115421371
91384414224
10557196025
11266582691
1213672b4a1
138b58c9b9
1454003ac1
1533db51ba
hex213622f9

557196025 has 9 divisors (see below), whose sum is σ = 691069453. Its totient is φ = 445662400.

The previous prime is 557196007. The next prime is 557196043. The reversal of 557196025 is 520691755.

The square root of 557196025 is 23605.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (557196007) and next prime (557196043).

It can be written as a sum of positive squares in 4 ways, for example, as 5697769 + 551498256 = 2387^2 + 23484^2 .

It is not a de Polignac number, because 557196025 - 25 = 557195993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 115665 + ... + 120385.

Almost surely, 2557196025 is an apocalyptic number.

557196025 is the 23605-th square number.

557196025 is the 11803-rd centered octagonal number.

It is an amenable number.

557196025 is a deficient number, since it is larger than the sum of its proper divisors (133873428).

557196025 is an frugal number, since it uses more digits than its factorization.

557196025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9452 (or 4726 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 40.

The cubic root of 557196025 is about 822.8790454271.

The spelling of 557196025 in words is "five hundred fifty-seven million, one hundred ninety-six thousand, twenty-five".

Divisors: 1 5 25 4721 23605 118025 22287841 111439205 557196025