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557454693 = 3185818231
BaseRepresentation
bin100001001110100…
…001010101100101
31102211221122002010
4201032201111211
52120202022233
6131152104433
716546200225
oct4116412545
91384848063
10557454693
11266739a64
12136835119
138b650663
1454070085
1533e16b63
hex213a1565

557454693 has 4 divisors (see below), whose sum is σ = 743272928. Its totient is φ = 371636460.

The previous prime is 557454671. The next prime is 557454707. The reversal of 557454693 is 396454755.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 557454693 - 26 = 557454629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557454593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92909113 + ... + 92909118.

It is an arithmetic number, because the mean of its divisors is an integer number (185818232).

Almost surely, 2557454693 is an apocalyptic number.

It is an amenable number.

557454693 is a deficient number, since it is larger than the sum of its proper divisors (185818235).

557454693 is a wasteful number, since it uses less digits than its factorization.

557454693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185818234.

The product of its digits is 2268000, while the sum is 48.

The square root of 557454693 is about 23610.4784576679. The cubic root of 557454693 is about 823.0063612120.

The spelling of 557454693 in words is "five hundred fifty-seven million, four hundred fifty-four thousand, six hundred ninety-three".

Divisors: 1 3 185818231 557454693