Base | Representation |
---|---|
bin | 100100111100… |
… | …0100111101001 |
3 | 1100110000111002 |
4 | 1021320213221 |
5 | 14424242200 |
6 | 1531044345 |
7 | 323425466 |
oct | 111704751 |
9 | 40400432 |
10 | 19368425 |
11 | aa2986a |
12 | 65a06b5 |
13 | 4021b0b |
14 | 280266d |
15 | 1a78bd5 |
hex | 12789e9 |
19368425 has 12 divisors (see below), whose sum is σ = 24093696. Its totient is φ = 15445200.
The previous prime is 19368421. The next prime is 19368431. The reversal of 19368425 is 52486391.
It is a happy number.
It is not a de Polignac number, because 19368425 - 22 = 19368421 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (19368421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8120 + ... + 10230.
It is an arithmetic number, because the mean of its divisors is an integer number (2007808).
Almost surely, 219368425 is an apocalyptic number.
It is an amenable number.
19368425 is a deficient number, since it is larger than the sum of its proper divisors (4725271).
19368425 is a wasteful number, since it uses less digits than its factorization.
19368425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2488 (or 2483 counting only the distinct ones).
The product of its digits is 51840, while the sum is 38.
The square root of 19368425 is about 4400.9572822285. The cubic root of 19368425 is about 268.5538825196.
The spelling of 19368425 in words is "nineteen million, three hundred sixty-eight thousand, four hundred twenty-five".
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