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115125 = 353307
BaseRepresentation
bin11100000110110101
312211220220
4130012311
512141000
62244553
7656433
oct340665
9184826
10115125
117954a
1256759
134052a
142dd53
15241a0
hex1c1b5

115125 has 16 divisors (see below), whose sum is σ = 192192. Its totient is φ = 61200.

The previous prime is 115123. The next prime is 115127. The reversal of 115125 is 521511.

It is an interprime number because it is at equal distance from previous prime (115123) and next prime (115127).

It is not a de Polignac number, because 115125 - 21 = 115123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115123) 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, 222 + ... + 528.

It is an arithmetic number, because the mean of its divisors is an integer number (12012).

2115125 is an apocalyptic number.

115125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115125 is a deficient number, since it is larger than the sum of its proper divisors (77067).

115125 is an equidigital number, since it uses as much as digits as its factorization.

115125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 315 counting only the distinct ones).

The product of its digits is 50, while the sum is 15.

The square root of 115125 is about 339.3007515465. The cubic root of 115125 is about 48.6470542938.

Adding to 115125 its reverse (521511), we get a palindrome (636636).

It can be divided in two parts, 1151 and 25, that added together give a triangular number (1176 = T48).

The spelling of 115125 in words is "one hundred fifteen thousand, one hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 307 375 921 1535 4605 7675 23025 38375 115125