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632950990 = 25719475903
BaseRepresentation
bin100101101110100…
…001000011001110
31122010000020112021
4211232201003032
52244013412430
6142450200354
721453665110
oct4556410316
91563006467
10632950990
112a53144a1
12157b830ba
13a1194b19
14600c33b0
153a87b07a
hex25ba10ce

632950990 has 32 divisors (see below), whose sum is σ = 1370603520. Its totient is φ = 205589664.

The previous prime is 632950979. The next prime is 632950993. The reversal of 632950990 is 99059236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632950993) 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, 236622 + ... + 239281.

It is an arithmetic number, because the mean of its divisors is an integer number (42831360).

Almost surely, 2632950990 is an apocalyptic number.

632950990 is an abundant number, since it is smaller than the sum of its proper divisors (737652530).

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

632950990 is a wasteful number, since it uses less digits than its factorization.

632950990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475936.

The product of its (nonzero) digits is 131220, while the sum is 43.

The square root of 632950990 is about 25158.5172456566. The cubic root of 632950990 is about 858.5983070654.

The spelling of 632950990 in words is "six hundred thirty-two million, nine hundred fifty thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 190 266 665 1330 475903 951806 2379515 3331321 4759030 6662642 9042157 16656605 18084314 33313210 45210785 63295099 90421570 126590198 316475495 632950990