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557864960 = 2115157347
BaseRepresentation
bin100001010000000…
…101100000000000
31102212201110212012
4201100011200000
52120303134320
6131204552052
716552526312
oct4120054000
91385643765
10557864960
1126699a224
121369b2628
138b765313
14541397b2
1533e984c5
hex21405800

557864960 has 96 divisors (see below), whose sum is σ = 1350956880. Its totient is φ = 221085696.

The previous prime is 557864953. The next prime is 557864971. The reversal of 557864960 is 69468755.

It is a super-2 number, since 2×5578649602 = 622426627191603200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 557864899 and 557864908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1607507 + ... + 1607853.

Almost surely, 2557864960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557864960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (675478440).

557864960 is an abundant number, since it is smaller than the sum of its proper divisors (793091920).

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

557864960 is a wasteful number, since it uses less digits than its factorization.

557864960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 50.

The square root of 557864960 is about 23619.1650995542. The cubic root of 557864960 is about 823.2082129233.

The spelling of 557864960 in words is "five hundred fifty-seven million, eight hundred sixty-four thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 157 160 256 314 320 347 512 628 640 694 785 1024 1256 1280 1388 1570 1735 2048 2512 2560 2776 3140 3470 5024 5120 5552 6280 6940 10048 10240 11104 12560 13880 20096 22208 25120 27760 40192 44416 50240 54479 55520 80384 88832 100480 108958 111040 160768 177664 200960 217916 222080 272395 321536 355328 401920 435832 444160 544790 710656 803840 871664 888320 1089580 1607680 1743328 1776640 2179160 3486656 3553280 4358320 6973312 8716640 13946624 17433280 27893248 34866560 55786496 69733120 111572992 139466240 278932480 557864960