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632168490 = 23521072283
BaseRepresentation
bin100101101011100…
…010000000101010
31122001112111010210
4211223202000222
52243313342430
6142421321550
721444225552
oct4553420052
91561474123
10632168490
112a492a5a8
121578662b6
13a0c7c8c5
145dd5c162
153a7742b0
hex25ae202a

632168490 has 16 divisors (see below), whose sum is σ = 1517204448. Its totient is φ = 168578256.

The previous prime is 632168489. The next prime is 632168503. The reversal of 632168490 is 94861236.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10536112 + ... + 10536171.

It is an arithmetic number, because the mean of its divisors is an integer number (94825278).

Almost surely, 2632168490 is an apocalyptic number.

632168490 is an abundant number, since it is smaller than the sum of its proper divisors (885035958).

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

632168490 is a wasteful number, since it uses less digits than its factorization.

632168490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21072293.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 632168490 is about 25142.9610428048. The cubic root of 632168490 is about 858.2443406232.

The spelling of 632168490 in words is "six hundred thirty-two million, one hundred sixty-eight thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 21072283 42144566 63216849 105361415 126433698 210722830 316084245 632168490