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631027 = 1314817
BaseRepresentation
bin10011010000011110011
31012001121101
42122003303
5130143102
621305231
75235505
oct2320363
91161541
10631027
113a1111
12265217
131912b7
14125d75
15c6e87
hex9a0f3

631027 has 4 divisors (see below), whose sum is σ = 635976. Its totient is φ = 626080.

The previous prime is 631013. The next prime is 631039. The reversal of 631027 is 720136.

631027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 631027 - 27 = 630899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 630995 and 631013.

It is not an unprimeable number, because it can be changed into a prime (631927) 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, 2278 + ... + 2539.

It is an arithmetic number, because the mean of its divisors is an integer number (158994).

2631027 is an apocalyptic number.

631027 is a deficient number, since it is larger than the sum of its proper divisors (4949).

631027 is a wasteful number, since it uses less digits than its factorization.

631027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4948.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 631027 is about 794.3720790662. The cubic root of 631027 is about 85.7727459655.

The spelling of 631027 in words is "six hundred thirty-one thousand, twenty-seven".

Divisors: 1 131 4817 631027