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63090856 = 237886357
BaseRepresentation
bin1111000010101…
…1000010101000
311101201100101101
43300223002220
5112122401411
610132131144
71364156233
oct360530250
9141640341
1063090856
1132682104
1219166ab4
13100bca8a
14854441a
1558138c1
hex3c2b0a8

63090856 has 8 divisors (see below), whose sum is σ = 118295370. Its totient is φ = 31545424.

The previous prime is 63090827. The next prime is 63090857. The reversal of 63090856 is 65809036.

It can be written as a sum of positive squares in only one way, i.e., 59814756 + 3276100 = 7734^2 + 1810^2 .

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

It is a super-2 number, since 2×630908562 = 7960912221625472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63090857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3943171 + ... + 3943186.

Almost surely, 263090856 is an apocalyptic number.

It is an amenable number.

63090856 is a deficient number, since it is larger than the sum of its proper divisors (55204514).

63090856 is a wasteful number, since it uses less digits than its factorization.

63090856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7886363 (or 7886359 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 63090856 is about 7942.9752611978. The cubic root of 63090856 is about 398.0969099804.

The spelling of 63090856 in words is "sixty-three million, ninety thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 7886357 15772714 31545428 63090856