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113043213 = 3231140387
BaseRepresentation
bin1101011110011…
…10011100001101
321212201012010200
412233032130031
5212414340323
615114524113
72541565023
oct657163415
9255635120
10113043213
11588a0048
1231a36639
131a55c59a
1411028713
159dce443
hex6bce70d

113043213 has 12 divisors (see below), whose sum is σ = 163813728. Its totient is φ = 75117960.

The previous prime is 113043211. The next prime is 113043239. The reversal of 113043213 is 312340311.

It is not a de Polignac number, because 113043213 - 21 = 113043211 is a prime.

It is a super-3 number, since 3×1130432133 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113043211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17395 + ... + 22992.

It is an arithmetic number, because the mean of its divisors is an integer number (13651144).

Almost surely, 2113043213 is an apocalyptic number.

It is an amenable number.

113043213 is a deficient number, since it is larger than the sum of its proper divisors (50770515).

113043213 is a wasteful number, since it uses less digits than its factorization.

113043213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40704 (or 40701 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 113043213 is about 10632.1781869944. The cubic root of 113043213 is about 483.5204323074.

Adding to 113043213 its reverse (312340311), we get a palindrome (425383524).

The spelling of 113043213 in words is "one hundred thirteen million, forty-three thousand, two hundred thirteen".

Divisors: 1 3 9 311 933 2799 40387 121161 363483 12560357 37681071 113043213