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130746080 = 255817163
BaseRepresentation
bin1111100101100…
…00011011100000
3100010000120220102
413302300123200
5231432333310
620550201532
73145215623
oct762603340
9303016812
10130746080
1167891513
12379532a8
132111a25a
1413515dba
15b7298a5
hex7cb06e0

130746080 has 24 divisors (see below), whose sum is σ = 308887992. Its totient is φ = 52298368.

The previous prime is 130746067. The next prime is 130746131. The reversal of 130746080 is 80647031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408422 + ... + 408741.

It is an arithmetic number, because the mean of its divisors is an integer number (12870333).

Almost surely, 2130746080 is an apocalyptic number.

130746080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130746080 is an abundant number, since it is smaller than the sum of its proper divisors (178141912).

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

130746080 is an equidigital number, since it uses as much as digits as its factorization.

130746080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817178 (or 817170 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 130746080 is about 11434.4252151125. The cubic root of 130746080 is about 507.5469538444.

The spelling of 130746080 in words is "one hundred thirty million, seven hundred forty-six thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 817163 1634326 3268652 4085815 6537304 8171630 13074608 16343260 26149216 32686520 65373040 130746080