Base | Representation |
---|---|
bin | 100110000000… |
… | …0100001100100 |
3 | 1101111022002101 |
4 | 1030000201210 |
5 | 20100100332 |
6 | 1551021444 |
7 | 331234435 |
oct | 114004144 |
9 | 41438071 |
10 | 19925092 |
11 | 1027a020 |
12 | 680a884 |
13 | 41882c5 |
14 | 290948c |
15 | 1b38ae7 |
hex | 1300864 |
19925092 has 24 divisors (see below), whose sum is σ = 39070080. Its totient is φ = 8811360.
The previous prime is 19925089. The next prime is 19925093. The reversal of 19925092 is 29052991.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is not an unprimeable number, because it can be changed into a prime (19925093) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4492 + ... + 7747.
It is an arithmetic number, because the mean of its divisors is an integer number (1627920).
Almost surely, 219925092 is an apocalyptic number.
It is an amenable number.
19925092 is a deficient number, since it is larger than the sum of its proper divisors (19144988).
19925092 is a wasteful number, since it uses less digits than its factorization.
19925092 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12291 (or 12289 counting only the distinct ones).
The product of its (nonzero) digits is 14580, while the sum is 37.
The square root of 19925092 is about 4463.7531293744. The cubic root of 19925092 is about 271.1024516977.
The spelling of 19925092 in words is "nineteen million, nine hundred twenty-five thousand, ninety-two".
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