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113105052 = 223310110369
BaseRepresentation
bin1101011110111…
…01100010011100
321212211022222000
412233131202130
5212423330202
615120122300
72542243224
oct657354234
9255738860
10113105052
1158932555
1231a66390
131a581788
1411043084
159de291c
hex6bdd89c

113105052 has 48 divisors (see below), whose sum is σ = 296167200. Its totient is φ = 37324800.

The previous prime is 113105051. The next prime is 113105071. The reversal of 113105052 is 250501311.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113105051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5724 + ... + 16092.

It is an arithmetic number, because the mean of its divisors is an integer number (6170150).

Almost surely, 2113105052 is an apocalyptic number.

113105052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113105052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148083600).

113105052 is an abundant number, since it is smaller than the sum of its proper divisors (183062148).

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

113105052 is a wasteful number, since it uses less digits than its factorization.

113105052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10483 (or 10475 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 113105052 is about 10635.0858952808. The cubic root of 113105052 is about 483.6085843472.

Adding to 113105052 its reverse (250501311), we get a palindrome (363606363).

The spelling of 113105052 in words is "one hundred thirteen million, one hundred five thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 101 108 202 303 404 606 909 1212 1818 2727 3636 5454 10369 10908 20738 31107 41476 62214 93321 124428 186642 279963 373284 559926 1047269 1119852 2094538 3141807 4189076 6283614 9425421 12567228 18850842 28276263 37701684 56552526 113105052