Base | Representation |
---|---|
bin | 100110101011… |
… | …1111110000101 |
3 | 1102011111102012 |
4 | 1031113332011 |
5 | 20143031034 |
6 | 2002424005 |
7 | 334255616 |
oct | 115277605 |
9 | 42144365 |
10 | 20283269 |
11 | 104a4136 |
12 | 6962005 |
13 | 4282346 |
14 | 299dc0d |
15 | 1ba9cce |
hex | 1357f85 |
20283269 has 8 divisors (see below), whose sum is σ = 21226752. Its totient is φ = 19357920.
The previous prime is 20283257. The next prime is 20283287. The reversal of 20283269 is 96238202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20283269 - 24 = 20283253 is a prime.
It is a super-2 number, since 2×202832692 = 822822002652722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20283169) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2219 + ... + 6744.
It is an arithmetic number, because the mean of its divisors is an integer number (2653344).
Almost surely, 220283269 is an apocalyptic number.
It is an amenable number.
20283269 is a deficient number, since it is larger than the sum of its proper divisors (943483).
20283269 is an equidigital number, since it uses as much as digits as its factorization.
20283269 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9067.
The product of its (nonzero) digits is 10368, while the sum is 32.
The square root of 20283269 is about 4503.6950385211. The cubic root of 20283269 is about 272.7172758592.
The spelling of 20283269 in words is "twenty million, two hundred eighty-three thousand, two hundred sixty-nine".
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