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557985992 = 2369748249
BaseRepresentation
bin100001010000100…
…011000011001000
31102212221121212212
4201100203003020
52120321022432
6131211324252
716553542214
oct4120430310
91385847785
10557985992
11266a72153
12136a50688
138b7a8435
145416b944
1533ebe2b2
hex214230c8

557985992 has 8 divisors (see below), whose sum is σ = 1046223750. Its totient is φ = 278992992.

The previous prime is 557985979. The next prime is 557986027. The reversal of 557985992 is 299589755.

It can be written as a sum of positive squares in only one way, i.e., 404572996 + 153412996 = 20114^2 + 12386^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×5579859922 = 622696734536448128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34874117 + ... + 34874132.

Almost surely, 2557985992 is an apocalyptic number.

It is an amenable number.

557985992 is a deficient number, since it is larger than the sum of its proper divisors (488237758).

557985992 is a wasteful number, since it uses less digits than its factorization.

557985992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69748255 (or 69748251 counting only the distinct ones).

The product of its digits is 10206000, while the sum is 59.

The square root of 557985992 is about 23621.7271172114. The cubic root of 557985992 is about 823.2677418649.

The spelling of 557985992 in words is "five hundred fifty-seven million, nine hundred eighty-five thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 69748249 139496498 278992996 557985992