Search a number
-
+
130401715 = 5831991579
BaseRepresentation
bin1111100010111…
…00010110110011
3100002101002112011
413301130112303
5231340323330
620534543351
73142252633
oct761342663
9302332464
10130401715
1167676814
1237807b57
13210295a2
14134666c3
15b6ac82a
hex7c5c5b3

130401715 has 16 divisors (see below), whose sum is σ = 159264000. Its totient is φ = 102481632.

The previous prime is 130401707. The next prime is 130401721. The reversal of 130401715 is 517104031.

It is a cyclic number.

It is not a de Polignac number, because 130401715 - 23 = 130401707 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81796 + ... + 83374.

It is an arithmetic number, because the mean of its divisors is an integer number (9954000).

Almost surely, 2130401715 is an apocalyptic number.

130401715 is a deficient number, since it is larger than the sum of its proper divisors (28862285).

130401715 is a wasteful number, since it uses less digits than its factorization.

130401715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 130401715 is about 11419.3570309365. The cubic root of 130401715 is about 507.1009619371.

Adding to 130401715 its reverse (517104031), we get a palindrome (647505746).

The spelling of 130401715 in words is "one hundred thirty million, four hundred one thousand, seven hundred fifteen".

Divisors: 1 5 83 199 415 995 1579 7895 16517 82585 131057 314221 655285 1571105 26080343 130401715