Base | Representation |
---|---|
bin | 1101101110101… |
… | …01010011101010 |
3 | 22000201011110122 |
4 | 12313111103222 |
5 | 213440342430 |
6 | 15232243242 |
7 | 2565626123 |
oct | 667252352 |
9 | 260634418 |
10 | 115168490 |
11 | 5a011878 |
12 | 326a0522 |
13 | 1ab24a48 |
14 | 1141d04a |
15 | a19dee5 |
hex | 6dd54ea |
115168490 has 16 divisors (see below), whose sum is σ = 208451880. Its totient is φ = 45812160.
The previous prime is 115168477. The next prime is 115168513. The reversal of 115168490 is 94861511.
It can be written as a sum of positive squares in 4 ways, for example, as 48762289 + 66406201 = 6983^2 + 8149^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 115168490.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30005 + ... + 33624.
Almost surely, 2115168490 is an apocalyptic number.
115168490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
115168490 is a deficient number, since it is larger than the sum of its proper divisors (93283390).
115168490 is a wasteful number, since it uses less digits than its factorization.
115168490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63817.
The product of its (nonzero) digits is 8640, while the sum is 35.
The square root of 115168490 is about 10731.6583061519. The cubic root of 115168490 is about 486.5317921317.
The spelling of 115168490 in words is "one hundred fifteen million, one hundred sixty-eight thousand, four hundred ninety".
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