Base | Representation |
---|---|
bin | 101001111111… |
… | …1001111010111 |
3 | 1112102120121211 |
4 | 1103333033113 |
5 | 21114020413 |
6 | 2103522251 |
7 | 355066312 |
oct | 123771727 |
9 | 45376554 |
10 | 22016983 |
11 | 1147875a |
12 | 7459387 |
13 | 473b501 |
14 | 2cd1979 |
15 | 1ded83d |
hex | 14ff3d7 |
22016983 has 4 divisors (see below), whose sum is σ = 22038048. Its totient is φ = 21995920.
The previous prime is 22016947. The next prime is 22016987. The reversal of 22016983 is 38961022.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38961022 = 2 ⋅19480511.
It is a cyclic number.
It is not a de Polignac number, because 22016983 - 29 = 22016471 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22016987) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8878 + ... + 11083.
It is an arithmetic number, because the mean of its divisors is an integer number (5509512).
Almost surely, 222016983 is an apocalyptic number.
22016983 is a deficient number, since it is larger than the sum of its proper divisors (21065).
22016983 is a wasteful number, since it uses less digits than its factorization.
22016983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21064.
The product of its (nonzero) digits is 5184, while the sum is 31.
The square root of 22016983 is about 4692.2258044557. The cubic root of 22016983 is about 280.2760160870.
The spelling of 22016983 in words is "twenty-two million, sixteen thousand, nine hundred eighty-three".
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