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130231304 = 2372325559
BaseRepresentation
bin1111100001100…
…10110000001000
3100002001102202122
413300302300020
5231314400204
620531150412
73140643050
oct760626010
9302042678
10130231304
116756a785
1237745408
1320c99b58
1413420560
15b6770be
hex7c32c08

130231304 has 16 divisors (see below), whose sum is σ = 279067200. Its totient is φ = 55813392.

The previous prime is 130231289. The next prime is 130231307. The reversal of 130231304 is 403132031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (130231307) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1162724 + ... + 1162835.

It is an arithmetic number, because the mean of its divisors is an integer number (17441700).

Almost surely, 2130231304 is an apocalyptic number.

130231304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

130231304 is an abundant number, since it is smaller than the sum of its proper divisors (148835896).

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

130231304 is a wasteful number, since it uses less digits than its factorization.

130231304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325572 (or 2325568 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 130231304 is about 11411.8930944870. The cubic root of 130231304 is about 506.8799698220.

Adding to 130231304 its reverse (403132031), we get a palindrome (533363335).

The spelling of 130231304 in words is "one hundred thirty million, two hundred thirty-one thousand, three hundred four".

Divisors: 1 2 4 7 8 14 28 56 2325559 4651118 9302236 16278913 18604472 32557826 65115652 130231304