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130412430 = 2345233691
BaseRepresentation
bin1111100010111…
…10111110001110
3100002101122020000
413301132332032
5231341144210
620535105130
73142326111
oct761367616
9302348200
10130412430
1167683875
12378121a6
1321031425
141346a578
15b6b0ac0
hex7c5ef8e

130412430 has 80 divisors (see below), whose sum is σ = 352679184. Its totient is φ = 34577280.

The previous prime is 130412393. The next prime is 130412453. The reversal of 130412430 is 34214031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 188385 + ... + 189075.

Almost surely, 2130412430 is an apocalyptic number.

130412430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 130412430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176339592).

130412430 is an abundant number, since it is smaller than the sum of its proper divisors (222266754).

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

130412430 is a wasteful number, since it uses less digits than its factorization.

130412430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943 (or 934 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 130412430 is about 11419.8261808138. The cubic root of 130412430 is about 507.1148509109.

Adding to 130412430 its reverse (34214031), we get a palindrome (164626461).

The spelling of 130412430 in words is "one hundred thirty million, four hundred twelve thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 233 270 405 466 691 699 810 1165 1382 1398 2073 2097 2330 3455 3495 4146 4194 6219 6291 6910 6990 10365 10485 12438 12582 18657 18873 20730 20970 31095 31455 37314 37746 55971 62190 62910 93285 94365 111942 161003 186570 188730 279855 322006 483009 559710 805015 966018 1449027 1610030 2415045 2898054 4347081 4830090 7245135 8694162 13041243 14490270 21735405 26082486 43470810 65206215 130412430