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115308 = 22323203
BaseRepresentation
bin11100001001101100
312212011200
4130021230
512142213
62245500
7660114
oct341154
9185150
10115308
11796a6
1256890
134063b
1430044
1524273
hex1c26c

115308 has 18 divisors (see below), whose sum is σ = 291564. Its totient is φ = 38424.

The previous prime is 115303. The next prime is 115309. The reversal of 115308 is 803511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (18) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 115308.

It is not an unprimeable number, because it can be changed into a prime (115301) by changing a digit.

115308 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1566 + ... + 1637.

It is an arithmetic number, because the mean of its divisors is an integer number (16198).

2115308 is an apocalyptic number.

115308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

115308 is an abundant number, since it is smaller than the sum of its proper divisors (176256).

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

115308 is a wasteful number, since it uses less digits than its factorization.

115308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3213 (or 3208 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 115308 is about 339.5703167239. The cubic root of 115308 is about 48.6728167203.

Adding to 115308 its reverse (803511), we get a palindrome (918819).

The spelling of 115308 in words is "one hundred fifteen thousand, three hundred eight".

Divisors: 1 2 3 4 6 9 12 18 36 3203 6406 9609 12812 19218 28827 38436 57654 115308