Base | Representation |
---|---|
bin | 100000001110… |
… | …0010101101000 |
3 | 1011210021020100 |
4 | 1000130111220 |
5 | 13311041123 |
6 | 1402025400 |
7 | 263406366 |
oct | 100342550 |
9 | 34707210 |
10 | 16893288 |
11 | 95991a5 |
12 | 57a8260 |
13 | 3666339 |
14 | 235a636 |
15 | 173a643 |
hex | 101c568 |
16893288 has 24 divisors (see below), whose sum is σ = 45752850. Its totient is φ = 5631072.
The previous prime is 16893287. The next prime is 16893301. The reversal of 16893288 is 88239861.
It can be written as a sum of positive squares in only one way, i.e., 15350724 + 1542564 = 3918^2 + 1242^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (16893287) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117243 + ... + 117386.
Almost surely, 216893288 is an apocalyptic number.
16893288 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
16893288 is an abundant number, since it is smaller than the sum of its proper divisors (28859562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16893288 is a wasteful number, since it uses less digits than its factorization.
16893288 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 234641 (or 234634 counting only the distinct ones).
The product of its digits is 165888, while the sum is 45.
The square root of 16893288 is about 4110.1445230065. The cubic root of 16893288 is about 256.5890164461.
The spelling of 16893288 in words is "sixteen million, eight hundred ninety-three thousand, two hundred eighty-eight".
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