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130235360 = 255813971
BaseRepresentation
bin1111100001100…
…11101111100000
3100002001122022212
413300303233200
5231320012420
620531221252
73140660633
oct760635740
9302048285
10130235360
1167572832
1237747828
1320c9b958
1413421c1a
15b6783c5
hex7c33be0

130235360 has 24 divisors (see below), whose sum is σ = 307681416. Its totient is φ = 52094080.

The previous prime is 130235327. The next prime is 130235381. The reversal of 130235360 is 63532031.

It is a super-2 number, since 2×1302353602 = 33922497988659200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406826 + ... + 407145.

It is an arithmetic number, because the mean of its divisors is an integer number (12820059).

Almost surely, 2130235360 is an apocalyptic number.

130235360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130235360 is an abundant number, since it is smaller than the sum of its proper divisors (177446056).

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

130235360 is an equidigital number, since it uses as much as digits as its factorization.

130235360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813986 (or 813978 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 130235360 is about 11412.0708024442. The cubic root of 130235360 is about 506.8852319562.

Adding to 130235360 its reverse (63532031), we get a palindrome (193767391).

The spelling of 130235360 in words is "one hundred thirty million, two hundred thirty-five thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 813971 1627942 3255884 4069855 6511768 8139710 13023536 16279420 26047072 32558840 65117680 130235360