Base | Representation |
---|---|
bin | 100100111100… |
… | …0100011000000 |
3 | 1100110000002002 |
4 | 1021320203000 |
5 | 14424240003 |
6 | 1531043132 |
7 | 323424563 |
oct | 111704300 |
9 | 40400062 |
10 | 19368128 |
11 | aa2961a |
12 | 65a04a8 |
13 | 4021940 |
14 | 28024da |
15 | 1a78a88 |
hex | 12788c0 |
19368128 has 28 divisors (see below), whose sum is σ = 41391840. Its totient is φ = 8938752.
The previous prime is 19368079. The next prime is 19368137. The reversal of 19368128 is 82186391.
It is a junction number, because it is equal to n+sod(n) for n = 19368091 and 19368100.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10808 + ... + 12471.
It is an arithmetic number, because the mean of its divisors is an integer number (1478280).
Almost surely, 219368128 is an apocalyptic number.
It is an amenable number.
19368128 is an abundant number, since it is smaller than the sum of its proper divisors (22023712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19368128 is a wasteful number, since it uses less digits than its factorization.
19368128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23304 (or 23294 counting only the distinct ones).
The product of its digits is 20736, while the sum is 38.
The square root of 19368128 is about 4400.9235394403. The cubic root of 19368128 is about 268.5525098230.
The spelling of 19368128 in words is "nineteen million, three hundred sixty-eight thousand, one hundred twenty-eight".
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