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631463055 = 3542097537
BaseRepresentation
bin100101101000110…
…101110010001111
31122000012122110120
4211220311302033
52243123304210
6142354240023
721435230106
oct4550656217
91560178416
10631463055
112a44985a3
12157586013
13a0a937a2
145dc1703d
153a685270
hex25a35c8f

631463055 has 8 divisors (see below), whose sum is σ = 1010340912. Its totient is φ = 336780288.

The previous prime is 631463047. The next prime is 631463057. The reversal of 631463055 is 550364136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 631463055 - 23 = 631463047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631463057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21048754 + ... + 21048783.

It is an arithmetic number, because the mean of its divisors is an integer number (126292614).

Almost surely, 2631463055 is an apocalyptic number.

631463055 is a deficient number, since it is larger than the sum of its proper divisors (378877857).

631463055 is a wasteful number, since it uses less digits than its factorization.

631463055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42097545.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 631463055 is about 25128.9286480741. The cubic root of 631463055 is about 857.9249843403.

The spelling of 631463055 in words is "six hundred thirty-one million, four hundred sixty-three thousand, fifty-five".

Divisors: 1 3 5 15 42097537 126292611 210487685 631463055