Search a number
-
+
113281458 = 23195318749
BaseRepresentation
bin1101100000010…
…00100110110010
321220011021221120
412300020212302
5213000001313
615124003110
72543606433
oct660104662
9256137846
10113281458
1158a43044
1231b30496
131a613b64
141108b48a
159e29d23
hex6c089b2

113281458 has 32 divisors (see below), whose sum is σ = 243000000. Its totient is φ = 35096256.

The previous prime is 113281451. The next prime is 113281481. The reversal of 113281458 is 854182311.

It is not an unprimeable number, because it can be changed into a prime (113281451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3333 + ... + 15416.

It is an arithmetic number, because the mean of its divisors is an integer number (7593750).

Almost surely, 2113281458 is an apocalyptic number.

113281458 is an abundant number, since it is smaller than the sum of its proper divisors (129718542).

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

113281458 is a wasteful number, since it uses less digits than its factorization.

113281458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18826.

The product of its digits is 7680, while the sum is 33.

The square root of 113281458 is about 10643.3762500440. The cubic root of 113281458 is about 483.8598762226.

The spelling of 113281458 in words is "one hundred thirteen million, two hundred eighty-one thousand, four hundred fifty-eight".

Divisors: 1 2 3 6 19 38 53 57 106 114 159 318 1007 2014 3021 6042 18749 37498 56247 112494 356231 712462 993697 1068693 1987394 2137386 2981091 5962182 18880243 37760486 56640729 113281458