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631074 = 231723269
BaseRepresentation
bin10011010000100100010
31012001200010
42122010202
5130143244
621305350
75235603
oct2320442
91161603
10631074
113a1154
12265256
13191322
14125daa
15c6eb9
hex9a122

631074 has 32 divisors (see below), whose sum is σ = 1399680. Its totient is φ = 188672.

The previous prime is 631061. The next prime is 631121. The reversal of 631074 is 470136.

It is a self number, because there is not a number n which added to its sum of digits gives 631074.

It is a congruent number.

It is an unprimeable number.

631074 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2212 + ... + 2480.

It is an arithmetic number, because the mean of its divisors is an integer number (43740).

2631074 is an apocalyptic number.

631074 is an abundant number, since it is smaller than the sum of its proper divisors (768606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

631074 is a wasteful number, since it uses less digits than its factorization.

631074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 631074 is about 794.4016616297. The cubic root of 631074 is about 85.7748754142.

The spelling of 631074 in words is "six hundred thirty-one thousand, seventy-four".

Divisors: 1 2 3 6 17 23 34 46 51 69 102 138 269 391 538 782 807 1173 1614 2346 4573 6187 9146 12374 13719 18561 27438 37122 105179 210358 315537 631074