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130632752 = 2419613701
BaseRepresentation
bin1111100100101…
…00110000110000
3100002210211110002
413302110300300
5231420222002
620543525132
73144234335
oct762246060
9302724402
10130632752
1167814358
12378b97a8
13210aa7b3
14134c698c
15b706002
hex7c94c30

130632752 has 40 divisors (see below), whose sum is σ = 267237360. Its totient is φ = 61689600.

The previous prime is 130632739. The next prime is 130632763. The reversal of 130632752 is 257236031.

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, 186002 + ... + 186702.

It is an arithmetic number, because the mean of its divisors is an integer number (6680934).

Almost surely, 2130632752 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 130632752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133618680).

130632752 is an abundant number, since it is smaller than the sum of its proper divisors (136604608).

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

130632752 is a wasteful number, since it uses less digits than its factorization.

130632752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341 (or 1335 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 130632752 is about 11429.4685790723. The cubic root of 130632752 is about 507.4002677181.

Adding to 130632752 its reverse (257236031), we get a palindrome (387868783).

The spelling of 130632752 in words is "one hundred thirty million, six hundred thirty-two thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 16 19 38 76 152 304 613 701 1226 1402 2452 2804 4904 5608 9808 11216 11647 13319 23294 26638 46588 53276 93176 106552 186352 213104 429713 859426 1718852 3437704 6875408 8164547 16329094 32658188 65316376 130632752