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115432242 = 23107179801
BaseRepresentation
bin1101110000101…
…01101100110010
322001012120021020
412320111230302
5214022312432
615242040310
72601105102
oct670255462
9261176236
10115432242
115a181a52
12327a9096
131abb7b03
141148b202
15a20222c
hex6e15b32

115432242 has 16 divisors (see below), whose sum is σ = 233023392. Its totient is φ = 38117600.

The previous prime is 115432217. The next prime is 115432243. The reversal of 115432242 is 242234511.

It is not an unprimeable number, because it can be changed into a prime (115432243) 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, 89259 + ... + 90542.

It is an arithmetic number, because the mean of its divisors is an integer number (14563962).

Almost surely, 2115432242 is an apocalyptic number.

115432242 is an abundant number, since it is smaller than the sum of its proper divisors (117591150).

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

115432242 is a wasteful number, since it uses less digits than its factorization.

115432242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179913.

The product of its digits is 1920, while the sum is 24.

The square root of 115432242 is about 10743.9397801738. The cubic root of 115432242 is about 486.9029176537.

Adding to 115432242 its reverse (242234511), we get a palindrome (357666753).

The spelling of 115432242 in words is "one hundred fifteen million, four hundred thirty-two thousand, two hundred forty-two".

Divisors: 1 2 3 6 107 214 321 642 179801 359602 539403 1078806 19238707 38477414 57716121 115432242