Search a number
-
+
130808588 = 22279111717
BaseRepresentation
bin1111100101111…
…11101100001100
3100010010202122112
413302333230030
5231441333323
620551403152
73145566101
oct762775414
9303122575
10130808588
1167924479
12379834b8
132113c841
1413530aa8
15b73d178
hex7cbfb0c

130808588 has 12 divisors (see below), whose sum is σ = 229016592. Its totient is φ = 65375280.

The previous prime is 130808549. The next prime is 130808593. The reversal of 130808588 is 885808031.

It is a happy number.

It is a super-2 number, since 2×1308085882 = 34221773389107488, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5306 + ... + 17022.

It is an arithmetic number, because the mean of its divisors is an integer number (19084716).

Almost surely, 2130808588 is an apocalyptic number.

It is an amenable number.

130808588 is a deficient number, since it is larger than the sum of its proper divisors (98208004).

130808588 is a wasteful number, since it uses less digits than its factorization.

130808588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14512 (or 14510 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 41.

The square root of 130808588 is about 11437.1582134724. The cubic root of 130808588 is about 507.6278248234.

The spelling of 130808588 in words is "one hundred thirty million, eight hundred eight thousand, five hundred eighty-eight".

Divisors: 1 2 4 2791 5582 11164 11717 23434 46868 32702147 65404294 130808588