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631038134 = 24173271389
BaseRepresentation
bin100101100111001…
…110000010110110
31121222102001120202
4211213032002312
52243021210014
6142341200502
721431510216
oct4547160266
91558361522
10631038134
112a4228321
12157400132
13a097525c
145db46246
153a5ee3de
hex259ce0b6

631038134 has 32 divisors (see below), whose sum is σ = 989089920. Its totient is φ = 301708800.

The previous prime is 631038119. The next prime is 631038137. The reversal of 631038134 is 431830136.

631038134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 631038097 and 631038106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631038137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1622012 + ... + 1622400.

It is an arithmetic number, because the mean of its divisors is an integer number (30909060).

Almost surely, 2631038134 is an apocalyptic number.

631038134 is a deficient number, since it is larger than the sum of its proper divisors (358051786).

631038134 is a wasteful number, since it uses less digits than its factorization.

631038134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 631038134 is about 25120.4724079783. The cubic root of 631038134 is about 857.7325042786.

It can be divided in two parts, 6310 and 38134, that added together give a palindrome (44444).

The spelling of 631038134 in words is "six hundred thirty-one million, thirty-eight thousand, one hundred thirty-four".

Divisors: 1 2 41 73 82 146 271 389 542 778 2993 5986 11111 15949 19783 22222 28397 31898 39566 56794 105419 210838 811103 1164277 1622206 2328554 4322179 7695587 8644358 15391174 315519067 631038134