Base | Representation |
---|---|
bin | 1101110000101… |
… | …01101001011110 |
3 | 22001012112222101 |
4 | 12320111221132 |
5 | 214022311110 |
6 | 15242035314 |
7 | 2601104350 |
oct | 670255136 |
9 | 261175871 |
10 | 115432030 |
11 | 5a18187a |
12 | 327a8b3a |
13 | 1abb799c |
14 | 1148b0d0 |
15 | a20213a |
hex | 6e15a5e |
115432030 has 64 divisors (see below), whose sum is σ = 251712000. Its totient is φ = 37231488.
The previous prime is 115432019. The next prime is 115432043. The reversal of 115432030 is 30234511.
It is a super-3 number, since 3×1154320303 (a number of 25 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a junction number, because it is equal to n+sod(n) for n = 115431989 and 115432007.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304381 + ... + 304759.
It is an arithmetic number, because the mean of its divisors is an integer number (3933000).
Almost surely, 2115432030 is an apocalyptic number.
115432030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
115432030 is an abundant number, since it is smaller than the sum of its proper divisors (136279970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115432030 is a wasteful number, since it uses less digits than its factorization.
115432030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 641.
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 115432030 is about 10743.9299141422. The cubic root of 115432030 is about 486.9026195755.
Adding to 115432030 its reverse (30234511), we get a palindrome (145666541).
The spelling of 115432030 in words is "one hundred fifteen million, four hundred thirty-two thousand, thirty".
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