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557312498 = 2166932
BaseRepresentation
bin100001001101111…
…110100111110010
31102211200102000122
4201031332213302
52120132444443
6131145050242
716545035531
oct4115764762
91384612018
10557312498
11266652146
12136786982
138b600a12
1454034318
1533dd9968
hex2137e9f2

557312498 has 6 divisors (see below), whose sum is σ = 836018829. Its totient is φ = 278639556.

The previous prime is 557312489. The next prime is 557312501. The reversal of 557312498 is 894213755.

It can be written as a sum of positive squares in 2 ways, for example, as 424071649 + 133240849 = 20593^2 + 11543^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=16693.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 25040 + ... + 41732.

Almost surely, 2557312498 is an apocalyptic number.

557312498 is a deficient number, since it is larger than the sum of its proper divisors (278706331).

557312498 is an frugal number, since it uses more digits than its factorization.

557312498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33388 (or 16695 counting only the distinct ones).

The product of its digits is 302400, while the sum is 44.

The square root of 557312498 is about 23607.4669966941. The cubic root of 557312498 is about 822.9363780410.

The spelling of 557312498 in words is "five hundred fifty-seven million, three hundred twelve thousand, four hundred ninety-eight".

Divisors: 1 2 16693 33386 278656249 557312498