Search a number
-
+
130856694 = 2346147309
BaseRepresentation
bin1111100110010…
…11011011110110
3100010020012122020
413303023123312
5231444403234
620552414010
73146156253
oct763133366
9303205566
10130856694
1167957631
12379a7306
13211586c7
141354442a
15b74c549
hex7ccb6f6

130856694 has 16 divisors (see below), whose sum is σ = 262286640. Its totient is φ = 43523360.

The previous prime is 130856689. The next prime is 130856699. The reversal of 130856694 is 496658031.

It is an interprime number because it is at equal distance from previous prime (130856689) and next prime (130856699).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130856699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20889 + ... + 26420.

It is an arithmetic number, because the mean of its divisors is an integer number (16392915).

Almost surely, 2130856694 is an apocalyptic number.

130856694 is an abundant number, since it is smaller than the sum of its proper divisors (131429946).

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

130856694 is a wasteful number, since it uses less digits than its factorization.

130856694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47775.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 130856694 is about 11439.2610775347. The cubic root of 130856694 is about 507.6900453844.

The spelling of 130856694 in words is "one hundred thirty million, eight hundred fifty-six thousand, six hundred ninety-four".

Divisors: 1 2 3 6 461 922 1383 2766 47309 94618 141927 283854 21809449 43618898 65428347 130856694