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557048658 = 2392841443
BaseRepresentation
bin100001001100111…
…110001101010010
31102211012000002210
4201030332031102
52120101024113
6131135252550
716542556365
oct4114761522
91384160083
10557048658
112664919a1
1213667a156
138b53a8ba
1453da60dc
1533d866c3
hex2133e352

557048658 has 8 divisors (see below), whose sum is σ = 1114097328. Its totient is φ = 185682884.

The previous prime is 557048587. The next prime is 557048659. The reversal of 557048658 is 856840755.

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

557048658 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (557048659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46420716 + ... + 46420727.

It is an arithmetic number, because the mean of its divisors is an integer number (139262166).

Almost surely, 2557048658 is an apocalyptic number.

557048658 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

557048658 is a wasteful number, since it uses less digits than its factorization.

557048658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92841448.

The product of its (nonzero) digits is 1344000, while the sum is 48.

The square root of 557048658 is about 23601.8782727138. The cubic root of 557048658 is about 822.8064941147.

The spelling of 557048658 in words is "five hundred fifty-seven million, forty-eight thousand, six hundred fifty-eight".

Divisors: 1 2 3 6 92841443 185682886 278524329 557048658