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113430513 = 3719299803
BaseRepresentation
bin1101100001011…
…00111111110001
321220102212102010
412300230333301
5213014234023
615131113133
72545100130
oct660547761
9256385363
10113430513
1159035029
1231ba27a9
131a666961
14110c9917
159e59093
hex6c2cff1

113430513 has 32 divisors (see below), whose sum is σ = 188236800. Its totient is φ = 59282496.

The previous prime is 113430497. The next prime is 113430529. The reversal of 113430513 is 315034311.

It is an interprime number because it is at equal distance from previous prime (113430497) and next prime (113430529).

It is not a de Polignac number, because 113430513 - 24 = 113430497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 113430513.

It is not an unprimeable number, because it can be changed into a prime (113430563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6670 + ... + 16472.

It is an arithmetic number, because the mean of its divisors is an integer number (5882400).

Almost surely, 2113430513 is an apocalyptic number.

It is an amenable number.

113430513 is a deficient number, since it is larger than the sum of its proper divisors (74806287).

113430513 is a wasteful number, since it uses less digits than its factorization.

113430513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9861.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 113430513 is about 10650.3761905390. The cubic root of 113430513 is about 484.0720030961.

Adding to 113430513 its reverse (315034311), we get a palindrome (428464824).

The spelling of 113430513 in words is "one hundred thirteen million, four hundred thirty thousand, five hundred thirteen".

Divisors: 1 3 7 19 21 29 57 87 133 203 399 551 609 1653 3857 9803 11571 29409 68621 186257 205863 284287 558771 852861 1303799 1990009 3911397 5401453 5970027 16204359 37810171 113430513