Search a number
-
+
115542372 = 223118591019
BaseRepresentation
bin1101110001100…
…00100101100100
322001102011100010
412320300211210
5214034323442
615244250220
72602044141
oct670604544
9261364303
10115542372
115a247770
1232840970
131ac25c8a
14114b93c8
15a224b9c
hex6e30964

115542372 has 48 divisors (see below), whose sum is σ = 294739200. Its totient is φ = 34937760.

The previous prime is 115542313. The next prime is 115542373. The reversal of 115542372 is 273245511.

It is not an unprimeable number, because it can be changed into a prime (115542373) 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, 112879 + ... + 113897.

It is an arithmetic number, because the mean of its divisors is an integer number (6140400).

Almost surely, 2115542372 is an apocalyptic number.

115542372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115542372 is an abundant number, since it is smaller than the sum of its proper divisors (179196828).

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

115542372 is a wasteful number, since it uses less digits than its factorization.

115542372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896 (or 1894 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 115542372 is about 10749.0637731851. The cubic root of 115542372 is about 487.0577143068.

Adding to 115542372 its reverse (273245511), we get a palindrome (388787883).

The spelling of 115542372 in words is "one hundred fifteen million, five hundred forty-two thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 859 1019 1718 2038 2577 3057 3436 4076 5154 6114 9449 10308 11209 12228 18898 22418 28347 33627 37796 44836 56694 67254 113388 134508 875321 1750642 2625963 3501284 5251926 9628531 10503852 19257062 28885593 38514124 57771186 115542372