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557274805 = 51035232069
BaseRepresentation
bin100001001101110…
…101011010110101
31102211121111022121
4201031311122311
52120130243210
6131144155541
716544520613
oct4115653265
91384544277
10557274805
1126662689a
12136768bb1
138b5b9809
14540246b3
1533dcd6da
hex213756b5

557274805 has 16 divisors (see below), whose sum is σ = 676840320. Its totient is φ = 440434368.

The previous prime is 557274803. The next prime is 557274847. The reversal of 557274805 is 508472755.

It is a cyclic number.

It is not a de Polignac number, because 557274805 - 21 = 557274803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557274803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268311 + ... + 270379.

It is an arithmetic number, because the mean of its divisors is an integer number (42302520).

Almost surely, 2557274805 is an apocalyptic number.

It is an amenable number.

557274805 is a deficient number, since it is larger than the sum of its proper divisors (119565515).

557274805 is a wasteful number, since it uses less digits than its factorization.

557274805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700.

The product of its (nonzero) digits is 392000, while the sum is 43.

The square root of 557274805 is about 23606.6686552762. The cubic root of 557274805 is about 822.9178249310.

The spelling of 557274805 in words is "five hundred fifty-seven million, two hundred seventy-four thousand, eight hundred five".

Divisors: 1 5 103 515 523 2069 2615 10345 53869 213107 269345 1065535 1082087 5410435 111454961 557274805