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13130532 = 2233121579
BaseRepresentation
bin110010000101…
…101100100100
3220201002201000
4302011230210
511330134112
61145233300
7216415302
oct62055444
926632630
1013130532
117459188
124492830
13294975c
141a5b272
1512457dc
hexc85b24

13130532 has 24 divisors (see below), whose sum is σ = 34042400. Its totient is φ = 4376808.

The previous prime is 13130521. The next prime is 13130549. The reversal of 13130532 is 23503131.

13130532 is a `hidden beast` number, since 1 + 3 + 130 + 532 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 60682 + ... + 60897.

Almost surely, 213130532 is an apocalyptic number.

13130532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13130532 is an abundant number, since it is smaller than the sum of its proper divisors (20911868).

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

13130532 is a wasteful number, since it uses less digits than its factorization.

13130532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121592 (or 121584 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 13130532 is about 3623.6075946493. The cubic root of 13130532 is about 235.9178350378.

Adding to 13130532 its reverse (23503131), we get a palindrome (36633663).

The spelling of 13130532 in words is "thirteen million, one hundred thirty thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 121579 243158 364737 486316 729474 1094211 1458948 2188422 3282633 4376844 6565266 13130532