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557057651 = 13935311353
BaseRepresentation
bin100001001101000…
…000011001110011
31102211012110102212
4201031000121303
52120101321101
6131135402335
716542624533
oct4115003163
91384173385
10557057651
11266498727
121366833ab
138b541a17
1453da94c3
1533d891bb
hex21340673

557057651 has 8 divisors (see below), whose sum is σ = 562704240. Its totient is φ = 551434752.

The previous prime is 557057639. The next prime is 557057653. The reversal of 557057651 is 156750755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 557057651 - 214 = 557041267 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 557057599 and 557057608.

It is not an unprimeable number, because it can be changed into a prime (557057653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43391 + ... + 54743.

It is an arithmetic number, because the mean of its divisors is an integer number (70338030).

Almost surely, 2557057651 is an apocalyptic number.

557057651 is a deficient number, since it is larger than the sum of its proper divisors (5646589).

557057651 is a wasteful number, since it uses less digits than its factorization.

557057651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11845.

The product of its (nonzero) digits is 183750, while the sum is 41.

The square root of 557057651 is about 23602.0687864433. The cubic root of 557057651 is about 822.8109218901.

The spelling of 557057651 in words is "five hundred fifty-seven million, fifty-seven thousand, six hundred fifty-one".

Divisors: 1 139 353 11353 49067 1578067 4007609 557057651