Search a number
-
+
130539044 = 2219290401
BaseRepresentation
bin1111100011111…
…01111000100100
3100002122001220102
413301331320210
5231404222134
620541523232
73143364206
oct761757044
9302561812
10130539044
116775aa09
1237873518
1321076c4c
14134a0776
15b6d837e
hex7c7de24

130539044 has 18 divisors (see below), whose sum is σ = 241102134. Its totient is φ = 61833600.

The previous prime is 130539041. The next prime is 130539061. The reversal of 130539044 is 440935031.

It can be written as a sum of positive squares in only one way, i.e., 97614400 + 32924644 = 9880^2 + 5738^2 .

It is a junction number, because it is equal to n+sod(n) for n = 130538998 and 130539016.

It is not an unprimeable number, because it can be changed into a prime (130539041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43757 + ... + 46644.

It is an arithmetic number, because the mean of its divisors is an integer number (13394563).

Almost surely, 2130539044 is an apocalyptic number.

It is an amenable number.

130539044 is a deficient number, since it is larger than the sum of its proper divisors (110563090).

130539044 is a wasteful number, since it uses less digits than its factorization.

130539044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90443 (or 90422 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 130539044 is about 11425.3684404486. The cubic root of 130539044 is about 507.2789126538.

The spelling of 130539044 in words is "one hundred thirty million, five hundred thirty-nine thousand, forty-four".

Divisors: 1 2 4 19 38 76 361 722 1444 90401 180802 361604 1717619 3435238 6870476 32634761 65269522 130539044