Base | Representation |
---|---|
bin | 1101110100110… |
… | …01001101111100 |
3 | 22002012221020000 |
4 | 12322121031330 |
5 | 214142032230 |
6 | 15301354300 |
7 | 2605510461 |
oct | 672311574 |
9 | 262187200 |
10 | 115970940 |
11 | 5a50a758 |
12 | 32a08990 |
13 | 1b046077 |
14 | 1158b668 |
15 | a2abb60 |
hex | 6e9937c |
115970940 has 120 divisors (see below), whose sum is σ = 385296912. Its totient is φ = 29099520.
The previous prime is 115970917. The next prime is 115970941. The reversal of 115970940 is 49079511.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 115970895 and 115970904.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (115970941) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25435 + ... + 29645.
Almost surely, 2115970940 is an apocalyptic number.
115970940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 115970940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192648456).
115970940 is an abundant number, since it is smaller than the sum of its proper divisors (269325972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115970940 is a wasteful number, since it uses less digits than its factorization.
115970940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4249 (or 4238 counting only the distinct ones).
The product of its (nonzero) digits is 11340, while the sum is 36.
The square root of 115970940 is about 10768.9804531348. The cubic root of 115970940 is about 487.6591669618.
The spelling of 115970940 in words is "one hundred fifteen million, nine hundred seventy thousand, nine hundred forty".
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