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557195438 = 21077513467
BaseRepresentation
bin100001001101100…
…010000010101110
31102211110110110002
4201031202002232
52120120223223
6131142344302
716544040332
oct4115420256
91384413402
10557195438
112665821a8
1213672b092
138b58c657
14540037c2
1533db4e28
hex213620ae

557195438 has 16 divisors (see below), whose sum is σ = 844971264. Its totient is φ = 275547000.

The previous prime is 557195407. The next prime is 557195489. The reversal of 557195438 is 834591755.

It is a super-2 number, since 2×5571954382 = 620933512256023688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 557195392 and 557195401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158981 + ... + 162447.

It is an arithmetic number, because the mean of its divisors is an integer number (52810704).

Almost surely, 2557195438 is an apocalyptic number.

557195438 is a deficient number, since it is larger than the sum of its proper divisors (287775826).

557195438 is a wasteful number, since it uses less digits than its factorization.

557195438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4327.

The product of its digits is 756000, while the sum is 47.

The square root of 557195438 is about 23604.9875661903. The cubic root of 557195438 is about 822.8787564623.

The spelling of 557195438 in words is "five hundred fifty-seven million, one hundred ninety-five thousand, four hundred thirty-eight".

Divisors: 1 2 107 214 751 1502 3467 6934 80357 160714 370969 741938 2603717 5207434 278597719 557195438