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557834380 = 22559472741
BaseRepresentation
bin100001001111111…
…110000010001100
31102212122220220121
4201033332002030
52120301200010
6131204154324
716552341205
oct4117760214
91385586817
10557834380
11266979254
121369989a4
138b75441c
145412c5ac
1533e8e3da
hex213fe08c

557834380 has 24 divisors (see below), whose sum is σ = 1191309840. Its totient is φ = 219351360.

The previous prime is 557834363. The next prime is 557834437. The reversal of 557834380 is 83438755.

It is a super-2 number, since 2×5578343802 = 622358391019968800, which contains 22 as substring.

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, 235191 + ... + 237550.

It is an arithmetic number, because the mean of its divisors is an integer number (49637910).

Almost surely, 2557834380 is an apocalyptic number.

It is an amenable number.

557834380 is an abundant number, since it is smaller than the sum of its proper divisors (633475460).

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

557834380 is a wasteful number, since it uses less digits than its factorization.

557834380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472809 (or 472807 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The square root of 557834380 is about 23618.5177350316. The cubic root of 557834380 is about 823.1931709514.

The spelling of 557834380 in words is "five hundred fifty-seven million, eight hundred thirty-four thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 472741 945482 1890964 2363705 4727410 9454820 27891719 55783438 111566876 139458595 278917190 557834380