Search a number
-
+
130243634 = 2411679511
BaseRepresentation
bin1111100001101…
…01110000110010
3100002002001200022
413300311300302
5231320244014
620531323442
73141024023
oct760656062
9302061608
10130243634
1167578a74
1237750582
1320ca2651
1413424c4a
15b67aa8e
hex7c35c32

130243634 has 16 divisors (see below), whose sum is σ = 201350016. Its totient is φ = 63146400.

The previous prime is 130243609. The next prime is 130243637. The reversal of 130243634 is 436342031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (130243637) 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, 8939 + ... + 18449.

It is an arithmetic number, because the mean of its divisors is an integer number (12584376).

Almost surely, 2130243634 is an apocalyptic number.

130243634 is a deficient number, since it is larger than the sum of its proper divisors (71106382).

130243634 is a wasteful number, since it uses less digits than its factorization.

130243634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9721.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 130243634 is about 11412.4333075817. The cubic root of 130243634 is about 506.8959660600.

Adding to 130243634 its reverse (436342031), we get a palindrome (566585665).

The spelling of 130243634 in words is "one hundred thirty million, two hundred forty-three thousand, six hundred thirty-four".

Divisors: 1 2 41 82 167 334 6847 9511 13694 19022 389951 779902 1588337 3176674 65121817 130243634