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63085031 = 312035001
BaseRepresentation
bin1111000010100…
…1100111100111
311101201001101122
43300221213213
5112122210111
610132044155
71364133242
oct360514747
9141631348
1063085031
1132678799
121916365b
13100ba229
148542259
155811cdb
hex3c299e7

63085031 has 4 divisors (see below), whose sum is σ = 65120064. Its totient is φ = 61050000.

The previous prime is 63085027. The next prime is 63085049. The reversal of 63085031 is 13058036.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63085031 - 22 = 63085027 is a prime.

It is a super-2 number, since 2×630850312 = 7959442272541922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63085051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017470 + ... + 1017531.

It is an arithmetic number, because the mean of its divisors is an integer number (16280016).

Almost surely, 263085031 is an apocalyptic number.

63085031 is a deficient number, since it is larger than the sum of its proper divisors (2035033).

63085031 is a wasteful number, since it uses less digits than its factorization.

63085031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035032.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 63085031 is about 7942.6085765320. The cubic root of 63085031 is about 398.0846578833.

The spelling of 63085031 in words is "sixty-three million, eighty-five thousand, thirty-one".

Divisors: 1 31 2035001 63085031