Base | Representation |
---|---|
bin | 100101110111… |
… | …0111011010000 |
3 | 1101100122012121 |
4 | 1023232323100 |
5 | 20040244013 |
6 | 1545304024 |
7 | 330514330 |
oct | 113567320 |
9 | 41318177 |
10 | 19853008 |
11 | 1022a94a |
12 | 6795014 |
13 | 4161556 |
14 | 28cb0c0 |
15 | 1b2258d |
hex | 12eeed0 |
19853008 has 40 divisors (see below), whose sum is σ = 46550592. Its totient is φ = 8007168.
The previous prime is 19852981. The next prime is 19853017. The reversal of 19853008 is 80035891.
It is a Harshad number since it is a multiple of its sum of digits (34).
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, 3310 + ... + 7117.
Almost surely, 219853008 is an apocalyptic number.
It is an amenable number.
19853008 is an abundant number, since it is smaller than the sum of its proper divisors (26697584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19853008 is a wasteful number, since it uses less digits than its factorization.
19853008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10459 (or 10453 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 34.
The square root of 19853008 is about 4455.6714421061. The cubic root of 19853008 is about 270.7751296990.
Adding to 19853008 its reverse (80035891), we get a palindrome (99888899).
The spelling of 19853008 in words is "nineteen million, eight hundred fifty-three thousand, eight".
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