Base | Representation |
---|---|
bin | 100110001111… |
… | …0100101011011 |
3 | 1101201112222122 |
4 | 1030132211123 |
5 | 20113020334 |
6 | 1553411455 |
7 | 332256422 |
oct | 114364533 |
9 | 41645878 |
10 | 20048219 |
11 | 10353584 |
12 | 6869b8b |
13 | 41cc369 |
14 | 293c2b9 |
15 | 1b6032e |
hex | 131e95b |
20048219 has 6 divisors (see below), whose sum is σ = 21297204. Its totient is φ = 18868640.
The previous prime is 20048213. The next prime is 20048233. The reversal of 20048219 is 91284002.
It is a de Polignac number, because none of the positive numbers 2k-20048219 is a prime.
It is a super-2 number, since 2×200482192 = 803862170143922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20048213) 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, 34397 + ... + 34974.
It is an arithmetic number, because the mean of its divisors is an integer number (3549534).
Almost surely, 220048219 is an apocalyptic number.
20048219 is a deficient number, since it is larger than the sum of its proper divisors (1248985).
20048219 is an equidigital number, since it uses as much as digits as its factorization.
20048219 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69405 (or 69388 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 26.
The square root of 20048219 is about 4477.5237576142. The cubic root of 20048219 is about 271.6597307541.
The spelling of 20048219 in words is "twenty million, forty-eight thousand, two hundred nineteen".
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