Base | Representation |
---|---|
bin | 100100101010… |
… | …1110101110000 |
3 | 1100011210001220 |
4 | 1021111311300 |
5 | 14410212333 |
6 | 1524025040 |
7 | 322263246 |
oct | 111256560 |
9 | 40153056 |
10 | 19225968 |
11 | a941833 |
12 | 6532180 |
13 | 3ca2018 |
14 | 27a6796 |
15 | 1a4b8b3 |
hex | 1255d70 |
19225968 has 40 divisors (see below), whose sum is σ = 49885200. Its totient is φ = 6380544.
The previous prime is 19225957. The next prime is 19225979. The reversal of 19225968 is 86952291.
It is an interprime number because it is at equal distance from previous prime (19225957) and next prime (19225979).
It is a congruent number.
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, 12168 + ... + 13656.
It is an arithmetic number, because the mean of its divisors is an integer number (1247130).
Almost surely, 219225968 is an apocalyptic number.
It is an amenable number.
19225968 is an abundant number, since it is smaller than the sum of its proper divisors (30659232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19225968 is a wasteful number, since it uses less digits than its factorization.
19225968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1769 (or 1763 counting only the distinct ones).
The product of its digits is 77760, while the sum is 42.
The square root of 19225968 is about 4384.7426378295. The cubic root of 19225968 is about 267.8938467240.
The spelling of 19225968 in words is "nineteen million, two hundred twenty-five thousand, nine hundred sixty-eight".
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