Search a number
-
+
115122660 = 22358323117
BaseRepresentation
bin1101101110010…
…10000111100100
322000121211121020
412313022013210
5213432411120
615231251140
72565345402
oct667120744
9260554536
10115122660
1159a903a4
1232679ab0
131ab09c23
141140a472
15a190640
hex6dca1e4

115122660 has 48 divisors (see below), whose sum is σ = 326241216. Its totient is φ = 30328192.

The previous prime is 115122641. The next prime is 115122661. The reversal of 115122660 is 66221511.

It is a self number, because there is not a number n which added to its sum of digits gives 115122660.

It is not an unprimeable number, because it can be changed into a prime (115122661) 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, 6579 + ... + 16538.

It is an arithmetic number, because the mean of its divisors is an integer number (6796692).

Almost surely, 2115122660 is an apocalyptic number.

115122660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115122660 is an abundant number, since it is smaller than the sum of its proper divisors (211118556).

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

115122660 is a wasteful number, since it uses less digits than its factorization.

115122660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23212 (or 23210 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 115122660 is about 10729.5228225676. The cubic root of 115122660 is about 486.4672469585.

The spelling of 115122660 in words is "one hundred fifteen million, one hundred twenty-two thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 83 166 249 332 415 498 830 996 1245 1660 2490 4980 23117 46234 69351 92468 115585 138702 231170 277404 346755 462340 693510 1387020 1918711 3837422 5756133 7674844 9593555 11512266 19187110 23024532 28780665 38374220 57561330 115122660