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130620954 = 23179121621
BaseRepresentation
bin1111100100100…
…01111000011010
3100002210020021010
413302101320122
5231414332304
620543354350
73144155052
oct762217032
9302706233
10130620954
1167806502
12378b29b6
13210a5309
14134c2562
15b702789
hex7c91e1a

130620954 has 16 divisors (see below), whose sum is σ = 262703520. Its totient is φ = 43296720.

The previous prime is 130620929. The next prime is 130620961. The reversal of 130620954 is 459026031.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59737 + ... + 61884.

It is an arithmetic number, because the mean of its divisors is an integer number (16418970).

Almost surely, 2130620954 is an apocalyptic number.

130620954 is an abundant number, since it is smaller than the sum of its proper divisors (132082566).

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

130620954 is a wasteful number, since it uses less digits than its factorization.

130620954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121805.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 130620954 is about 11428.9524454344. The cubic root of 130620954 is about 507.3849920987.

Adding to 130620954 its reverse (459026031), we get a palindrome (589646985).

The spelling of 130620954 in words is "one hundred thirty million, six hundred twenty thousand, nine hundred fifty-four".

Divisors: 1 2 3 6 179 358 537 1074 121621 243242 364863 729726 21770159 43540318 65310477 130620954