Search a number
-
+
130633512 = 23319286477
BaseRepresentation
bin1111100100101…
…00111100101000
3100002210212111020
413302110330220
5231420233022
620543532440
73144236502
oct762247450
9302725436
10130633512
1167814989
12378ba120
13210aac49
14134c6d72
15b70635c
hex7c94f28

130633512 has 32 divisors (see below), whose sum is σ = 343773600. Its totient is φ = 41252544.

The previous prime is 130633483. The next prime is 130633523. The reversal of 130633512 is 215336031.

It is a happy number.

It is a super-2 number, since 2×1306335122 = 34130228914908288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 142783 + ... + 143694.

It is an arithmetic number, because the mean of its divisors is an integer number (10742925).

Almost surely, 2130633512 is an apocalyptic number.

130633512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130633512 is an abundant number, since it is smaller than the sum of its proper divisors (213140088).

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

130633512 is a wasteful number, since it uses less digits than its factorization.

130633512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286505 (or 286501 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 130633512 is about 11429.5018264140. The cubic root of 130633512 is about 507.4012517068.

Adding to 130633512 its reverse (215336031), we get a palindrome (345969543).

The spelling of 130633512 in words is "one hundred thirty million, six hundred thirty-three thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 286477 572954 859431 1145908 1718862 2291816 3437724 5443063 6875448 10886126 16329189 21772252 32658378 43544504 65316756 130633512