Search a number
-
+
113531060 = 2257377761
BaseRepresentation
bin1101100010001…
…01100010110100
321220121222100002
412301011202310
5213030443220
615133210432
72545666226
oct661054264
9256558302
10113531060
11590a3625
1232030a18
131a6a0656
1411114416
159e78c75
hex6c458b4

113531060 has 24 divisors (see below), whose sum is σ = 241684296. Its totient is φ = 44789760.

The previous prime is 113531039. The next prime is 113531063. The reversal of 113531060 is 60135311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6574096 + 106956964 = 2564^2 + 10342^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113531063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37421 + ... + 40340.

It is an arithmetic number, because the mean of its divisors is an integer number (10070179).

Almost surely, 2113531060 is an apocalyptic number.

113531060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113531060 is an abundant number, since it is smaller than the sum of its proper divisors (128153236).

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

113531060 is a wasteful number, since it uses less digits than its factorization.

113531060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77843 (or 77841 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 113531060 is about 10655.0954946448. The cubic root of 113531060 is about 484.2149911164.

Adding to 113531060 its reverse (60135311), we get a palindrome (173666371).

The spelling of 113531060 in words is "one hundred thirteen million, five hundred thirty-one thousand, sixty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 77761 155522 311044 388805 777610 1555220 5676553 11353106 22706212 28382765 56765530 113531060