Base | Representation |
---|---|
bin | 100110000000… |
… | …0100000110110 |
3 | 1101111022000200 |
4 | 1030000200312 |
5 | 20100100141 |
6 | 1551021330 |
7 | 331234341 |
oct | 114004066 |
9 | 41438020 |
10 | 19925046 |
11 | 10279a89 |
12 | 680a846 |
13 | 418828b |
14 | 2909458 |
15 | 1b38ab6 |
hex | 1300836 |
19925046 has 24 divisors (see below), whose sum is σ = 43253184. Its totient is φ = 6629040.
The previous prime is 19925029. The next prime is 19925047. The reversal of 19925046 is 64052991.
It is a self number, because there is not a number n which added to its sum of digits gives 19925046.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19925047) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17280 + ... + 18396.
It is an arithmetic number, because the mean of its divisors is an integer number (1802216).
Almost surely, 219925046 is an apocalyptic number.
19925046 is an abundant number, since it is smaller than the sum of its proper divisors (23328138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19925046 is a wasteful number, since it uses less digits than its factorization.
19925046 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2116 (or 2113 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 36.
The square root of 19925046 is about 4463.7479767568. The cubic root of 19925046 is about 271.1022430709.
The spelling of 19925046 in words is "nineteen million, nine hundred twenty-five thousand, forty-six".
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