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631114242 = 231149919163
BaseRepresentation
bin100101100111100…
…000101000000010
31121222112220222120
4211213200220002
52243031123432
6142342545110
721432245133
oct4547405002
91558486876
10631114242
112a427a520
12157438196
13a09a0aa5
145db65c8a
153a616c2c
hex259e0a02

631114242 has 32 divisors (see below), whose sum is σ = 1379808000. Its totient is φ = 190853520.

The previous prime is 631114193. The next prime is 631114283. The reversal of 631114242 is 242411136.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23353 + ... + 42515.

It is an arithmetic number, because the mean of its divisors is an integer number (43119000).

Almost surely, 2631114242 is an apocalyptic number.

631114242 is an abundant number, since it is smaller than the sum of its proper divisors (748693758).

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

631114242 is a wasteful number, since it uses less digits than its factorization.

631114242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19678.

The product of its digits is 1152, while the sum is 24.

The square root of 631114242 is about 25121.9872223517. The cubic root of 631114242 is about 857.7669859143.

Adding to 631114242 its reverse (242411136), we get a palindrome (873525378).

The spelling of 631114242 in words is "six hundred thirty-one million, one hundred fourteen thousand, two hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 499 998 1497 2994 5489 10978 16467 19163 32934 38326 57489 114978 210793 421586 632379 1264758 9562337 19124674 28687011 57374022 105185707 210371414 315557121 631114242