Base | Representation |
---|---|
bin | 100100101011… |
… | …0111000001000 |
3 | 1100011222220020 |
4 | 1021112320020 |
5 | 14410331331 |
6 | 1524100440 |
7 | 322311525 |
oct | 111267010 |
9 | 40158806 |
10 | 19230216 |
11 | a944a45 |
12 | 6534720 |
13 | 3ca3c35 |
14 | 27a814c |
15 | 1a4cc96 |
hex | 1256e08 |
19230216 has 32 divisors (see below), whose sum is σ = 48523200. Its totient is φ = 6350400.
The previous prime is 19230181. The next prime is 19230287. The reversal of 19230216 is 61203291.
It is a Harshad number since it is a multiple of its sum of digits (24).
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, 1060 + ... + 6291.
It is an arithmetic number, because the mean of its divisors is an integer number (1516350).
Almost surely, 219230216 is an apocalyptic number.
It is an amenable number.
19230216 is an abundant number, since it is smaller than the sum of its proper divisors (29292984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19230216 is a wasteful number, since it uses less digits than its factorization.
19230216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7469 (or 7465 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 24.
The square root of 19230216 is about 4385.2270180687. The cubic root of 19230216 is about 267.9135757567.
The spelling of 19230216 in words is "nineteen million, two hundred thirty thousand, two hundred sixteen".
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