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557481056 = 25111583753
BaseRepresentation
bin100001001110100…
…111110001100000
31102211222222020112
4201032213301200
52120203343211
6131152430452
716546340126
oct4116476140
91384888215
10557481056
11266757850
12136848428
138b65c662
1454079916
1533e1e88b
hex213a7c60

557481056 has 24 divisors (see below), whose sum is σ = 1197318024. Its totient is φ = 253400320.

The previous prime is 557481031. The next prime is 557481077. The reversal of 557481056 is 650184755.

It is a congruent number.

It is an unprimeable number.

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, 791525 + ... + 792228.

It is an arithmetic number, because the mean of its divisors is an integer number (49888251).

Almost surely, 2557481056 is an apocalyptic number.

It is an amenable number.

557481056 is an abundant number, since it is smaller than the sum of its proper divisors (639836968).

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

557481056 is a wasteful number, since it uses less digits than its factorization.

557481056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583774 (or 1583766 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 41.

The square root of 557481056 is about 23611.0367413208. The cubic root of 557481056 is about 823.0193348073.

The spelling of 557481056 in words is "five hundred fifty-seven million, four hundred eighty-one thousand, fifty-six".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 1583753 3167506 6335012 12670024 17421283 25340048 34842566 50680096 69685132 139370264 278740528 557481056