Base | Representation |
---|---|
bin | 100100010110… |
… | …0010100110101 |
3 | 1022212010211000 |
4 | 1020230110311 |
5 | 14334242200 |
6 | 1520233513 |
7 | 320654430 |
oct | 110542465 |
9 | 38763730 |
10 | 19055925 |
11 | a835aa9 |
12 | 646b899 |
13 | 3c427c5 |
14 | 2760817 |
15 | 1a16300 |
hex | 122c535 |
19055925 has 96 divisors (see below), whose sum is σ = 41465600. Its totient is φ = 8398080.
The previous prime is 19055909. The next prime is 19055977. The reversal of 19055925 is 52955091.
It is not a de Polignac number, because 19055925 - 24 = 19055909 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 19055925.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 174771 + ... + 174879.
Almost surely, 219055925 is an apocalyptic number.
19055925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
19055925 is an abundant number, since it is smaller than the sum of its proper divisors (22409675).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19055925 is a wasteful number, since it uses less digits than its factorization.
19055925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172 (or 161 counting only the distinct ones).
The product of its (nonzero) digits is 20250, while the sum is 36.
The square root of 19055925 is about 4365.3092673945. The cubic root of 19055925 is about 267.1017160744.
The spelling of 19055925 in words is "nineteen million, fifty-five thousand, nine hundred twenty-five".
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