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631743052 = 22179290339
BaseRepresentation
bin100101101001111…
…010001001001100
31122000201212112211
4211221322021030
52243211234202
6142404240204
721440504323
oct4551721114
91560655484
10631743052
112a46699a6
121576a0064
13a0b61075
145dc8b0ba
153a6dd1d7
hex25a7a24c

631743052 has 12 divisors (see below), whose sum is σ = 1170582840. Its totient is φ = 297290816.

The previous prime is 631743011. The next prime is 631743053. The reversal of 631743052 is 250347136.

It is not an unprimeable number, because it can be changed into a prime (631743053) 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, 4645102 + ... + 4645237.

It is an arithmetic number, because the mean of its divisors is an integer number (97548570).

Almost surely, 2631743052 is an apocalyptic number.

It is an amenable number.

631743052 is a deficient number, since it is larger than the sum of its proper divisors (538839788).

631743052 is a wasteful number, since it uses less digits than its factorization.

631743052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9290360 (or 9290358 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 631743052 is about 25134.4992390937. The cubic root of 631743052 is about 858.0517697602.

The spelling of 631743052 in words is "six hundred thirty-one million, seven hundred forty-three thousand, fifty-two".

Divisors: 1 2 4 17 34 68 9290339 18580678 37161356 157935763 315871526 631743052