Search a number
-
+
130401372 = 22316136737
BaseRepresentation
bin1111100010111…
…00010001011100
3100002101002001110
413301130101130
5231340320442
620534542020
73142251633
oct761342134
9302332043
10130401372
1167676532
1237807910
132102939a
141346651a
15b6ac69c
hex7c5c45c

130401372 has 24 divisors (see below), whose sum is σ = 304503696. Its totient is φ = 43433728.

The previous prime is 130401307. The next prime is 130401379. The reversal of 130401372 is 273104031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130401379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15988 + ... + 22724.

It is an arithmetic number, because the mean of its divisors is an integer number (12687654).

Almost surely, 2130401372 is an apocalyptic number.

130401372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130401372 is an abundant number, since it is smaller than the sum of its proper divisors (174102324).

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

130401372 is a wasteful number, since it uses less digits than its factorization.

130401372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8357 (or 8355 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 130401372 is about 11419.3420125680. The cubic root of 130401372 is about 507.1005173219.

The spelling of 130401372 in words is "one hundred thirty million, four hundred one thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 1613 3226 4839 6452 6737 9678 13474 19356 20211 26948 40422 80844 10866781 21733562 32600343 43467124 65200686 130401372