Base | Representation |
---|---|
bin | 100100011001… |
… | …0011100000101 |
3 | 1022220102011102 |
4 | 1020302130011 |
5 | 14341042330 |
6 | 1520545445 |
7 | 321120431 |
oct | 110623405 |
9 | 38812142 |
10 | 19080965 |
11 | a8528a2 |
12 | 6482285 |
13 | 3c51017 |
14 | 27699c1 |
15 | 1a1d945 |
hex | 1232705 |
19080965 has 16 divisors (see below), whose sum is σ = 23777280. Its totient is φ = 14684160.
The previous prime is 19080923. The next prime is 19080979. The reversal of 19080965 is 56908091.
It is not a de Polignac number, because 19080965 - 216 = 19015429 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39596 + ... + 40074.
It is an arithmetic number, because the mean of its divisors is an integer number (1486080).
Almost surely, 219080965 is an apocalyptic number.
It is an amenable number.
19080965 is a deficient number, since it is larger than the sum of its proper divisors (4696315).
19080965 is a wasteful number, since it uses less digits than its factorization.
19080965 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 772.
The product of its (nonzero) digits is 19440, while the sum is 38.
The square root of 19080965 is about 4368.1763929585. The cubic root of 19080965 is about 267.2186578235.
The spelling of 19080965 in words is "nineteen million, eighty thousand, nine hundred sixty-five".
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