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632320130 = 25138815521
BaseRepresentation
bin100101101100000…
…111000010000010
31122001211012011002
4211230013002002
52243333221010
6142424452002
721445426631
oct4554070202
91561735132
10632320130
112a4a23522
1215791a002
13a1003930
145dd9b518
153a7a41a5
hex25b07082

632320130 has 32 divisors (see below), whose sum is σ = 1227341808. Its totient is φ = 233164800.

The previous prime is 632320109. The next prime is 632320141. The reversal of 632320130 is 31023236.

It can be written as a sum of positive squares in 8 ways, for example, as 32706961 + 599613169 = 5719^2 + 24487^2 .

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, 111770 + ... + 117290.

Almost surely, 2632320130 is an apocalyptic number.

632320130 is a deficient number, since it is larger than the sum of its proper divisors (595021678).

632320130 is a wasteful number, since it uses less digits than its factorization.

632320130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6422.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 632320130 is about 25145.9764177095. The cubic root of 632320130 is about 858.3129582830.

Adding to 632320130 its reverse (31023236), we get a palindrome (663343366).

The spelling of 632320130 in words is "six hundred thirty-two million, three hundred twenty thousand, one hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 881 1762 4405 5521 8810 11042 11453 22906 27605 55210 57265 71773 114530 143546 358865 717730 4864001 9728002 24320005 48640010 63232013 126464026 316160065 632320130