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115320112 = 24172931447
BaseRepresentation
bin1101101111110…
…10010100110000
322000222212110021
412313322110300
5214010220422
615235413224
72600130145
oct667722460
9260885407
10115320112
115a105786
1232754214
131ab78a6b
141145c3cc
15a1cddc7
hex6dfa530

115320112 has 40 divisors (see below), whose sum is σ = 237547296. Its totient is φ = 54045696.

The previous prime is 115320089. The next prime is 115320131. The reversal of 115320112 is 211023511.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78973 + ... + 80419.

Almost surely, 2115320112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115320112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118773648).

115320112 is an abundant number, since it is smaller than the sum of its proper divisors (122227184).

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

115320112 is a wasteful number, since it uses less digits than its factorization.

115320112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765 (or 1759 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 115320112 is about 10738.7202217024. The cubic root of 115320112 is about 486.7452086493.

Adding to 115320112 its reverse (211023511), we get a palindrome (326343623).

The spelling of 115320112 in words is "one hundred fifteen million, three hundred twenty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 17 34 68 136 272 293 586 1172 1447 2344 2894 4688 4981 5788 9962 11576 19924 23152 24599 39848 49198 79696 98396 196792 393584 423971 847942 1695884 3391768 6783536 7207507 14415014 28830028 57660056 115320112