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557870144 = 2613670517
BaseRepresentation
bin100001010000000…
…110110001000000
31102212201201222012
4201100012301000
52120303321034
6131205032052
716552550366
oct4120066100
91385651865
10557870144
112669a3107
121369b5628
138b7677a0
145413b636
1533e99cce
hex21406c40

557870144 has 28 divisors (see below), whose sum is σ = 1192181004. Its totient is φ = 257478144.

The previous prime is 557870099. The next prime is 557870171. The reversal of 557870144 is 441078755.

It can be written as a sum of positive squares in 2 ways, for example, as 328044544 + 229825600 = 18112^2 + 15160^2 .

It is a super-2 number, since 2×5578701442 = 622438195133161472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334427 + ... + 336090.

It is an arithmetic number, because the mean of its divisors is an integer number (42577893).

Almost surely, 2557870144 is an apocalyptic number.

It is an amenable number.

557870144 is an abundant number, since it is smaller than the sum of its proper divisors (634310860).

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

557870144 is a wasteful number, since it uses less digits than its factorization.

557870144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670542 (or 670532 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 41.

The square root of 557870144 is about 23619.2748406889. The cubic root of 557870144 is about 823.2107628224.

The spelling of 557870144 in words is "five hundred fifty-seven million, eight hundred seventy thousand, one hundred forty-four".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 208 416 832 670517 1341034 2682068 5364136 8716721 10728272 17433442 21456544 34866884 42913088 69733768 139467536 278935072 557870144