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631367352 = 2333721121729
BaseRepresentation
bin100101101000011…
…110011010111000
31122000000210012000
4211220132122320
52243112223402
6142352221000
721434351100
oct4550363270
91560023160
10631367352
112a4432700
1215753a760
13a0a5c065
145dbd0200
153a666c1c
hex25a1e6b8

631367352 has 576 divisors, whose sum is σ = 2456244000. Its totient is φ = 149022720.

The previous prime is 631367339. The next prime is 631367357. The reversal of 631367352 is 253763136.

631367352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631367357) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 21771274 + ... + 21771302.

Almost surely, 2631367352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 631367352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1228122000).

631367352 is an abundant number, since it is smaller than the sum of its proper divisors (1824876648).

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

631367352 is a wasteful number, since it uses less digits than its factorization.

631367352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 69 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 631367352 is about 25127.0243363594. The cubic root of 631367352 is about 857.8816404780.

The spelling of 631367352 in words is "six hundred thirty-one million, three hundred sixty-seven thousand, three hundred fifty-two".