Search a number
-
+
130252020 = 22356732401
BaseRepresentation
bin1111100001101…
…11110011110100
3100002002111011220
413300313303310
5231321031040
620531430340
73141060333
oct760676364
9302074156
10130252020
11675842a8
12377553b0
1320ca6402
1413427d1a
15b67d2d0
hex7c37cf4

130252020 has 48 divisors (see below), whose sum is σ = 370160448. Its totient is φ = 34214400.

The previous prime is 130252007. The next prime is 130252027. The reversal of 130252020 is 20252031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130252027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12181 + ... + 20220.

It is an arithmetic number, because the mean of its divisors is an integer number (7711676).

Almost surely, 2130252020 is an apocalyptic number.

130252020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130252020 is an abundant number, since it is smaller than the sum of its proper divisors (239908428).

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

130252020 is a wasteful number, since it uses less digits than its factorization.

130252020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32480 (or 32478 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 130252020 is about 11412.8007079770. The cubic root of 130252020 is about 506.9068450007.

The spelling of 130252020 in words is "one hundred thirty million, two hundred fifty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 67 134 201 268 335 402 670 804 1005 1340 2010 4020 32401 64802 97203 129604 162005 194406 324010 388812 486015 648020 972030 1944060 2170867 4341734 6512601 8683468 10854335 13025202 21708670 26050404 32563005 43417340 65126010 130252020