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115113432 = 2337685199
BaseRepresentation
bin1101101110001…
…11110111011000
322000121100221110
412313013313120
5213432112212
615231140320
72565306450
oct667076730
9260540843
10115113432
1159a84475
12326746a0
131ab05975
1411406d60
15a18ca3c
hex6dc7dd8

115113432 has 32 divisors (see below), whose sum is σ = 328896000. Its totient is φ = 32889504.

The previous prime is 115113421. The next prime is 115113473. The reversal of 115113432 is 234311511.

It is a super-2 number, since 2×1151134322 = 26502204453637248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 115113399 and 115113408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342432 + ... + 342767.

It is an arithmetic number, because the mean of its divisors is an integer number (10278000).

Almost surely, 2115113432 is an apocalyptic number.

115113432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115113432 is an abundant number, since it is smaller than the sum of its proper divisors (213782568).

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

115113432 is a wasteful number, since it uses less digits than its factorization.

115113432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685215 (or 685211 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 115113432 is about 10729.0927855061. The cubic root of 115113432 is about 486.4542485337.

Adding to 115113432 its reverse (234311511), we get a palindrome (349424943).

The spelling of 115113432 in words is "one hundred fifteen million, one hundred thirteen thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 685199 1370398 2055597 2740796 4111194 4796393 5481592 8222388 9592786 14389179 16444776 19185572 28778358 38371144 57556716 115113432