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115230 = 23523167
BaseRepresentation
bin11100001000011110
312212001210
4130020132
512141410
62245250
7656643
oct341036
9185053
10115230
1179635
1256826
13405ab
142ddca
1524220
hex1c21e

115230 has 32 divisors (see below), whose sum is σ = 290304. Its totient is φ = 29216.

The previous prime is 115223. The next prime is 115237. The reversal of 115230 is 32511.

It is an interprime number because it is at equal distance from previous prime (115223) and next prime (115237).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115237) by changing a digit.

115230 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 15 ways as a sum of consecutive naturals, for example, 607 + ... + 773.

It is an arithmetic number, because the mean of its divisors is an integer number (9072).

2115230 is an apocalyptic number.

115230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145152).

115230 is an abundant number, since it is smaller than the sum of its proper divisors (175074).

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

115230 is a wasteful number, since it uses less digits than its factorization.

115230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 115230 is about 339.4554462665. The cubic root of 115230 is about 48.6618393494.

Adding to 115230 its reverse (32511), we get a palindrome (147741).

The spelling of 115230 in words is "one hundred fifteen thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 167 230 334 345 501 690 835 1002 1670 2505 3841 5010 7682 11523 19205 23046 38410 57615 115230