Base | Representation |
---|---|
bin | 101010000000… |
… | …1001100110101 |
3 | 1112102222122020 |
4 | 1110001030311 |
5 | 21114300023 |
6 | 2104023353 |
7 | 355131603 |
oct | 124011465 |
9 | 45388566 |
10 | 22025013 |
11 | 1148379a |
12 | 7461b59 |
13 | 474206a |
14 | 2cd4873 |
15 | 1e00de3 |
hex | 1501335 |
22025013 has 8 divisors (see below), whose sum is σ = 31094208. Its totient is φ = 13819584.
The previous prime is 22024997. The next prime is 22025021. The reversal of 22025013 is 31052022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 22025013 - 24 = 22024997 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 22024983 and 22025001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22025023) 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, 215881 + ... + 215982.
It is an arithmetic number, because the mean of its divisors is an integer number (3886776).
Almost surely, 222025013 is an apocalyptic number.
It is an amenable number.
22025013 is a deficient number, since it is larger than the sum of its proper divisors (9069195).
22025013 is a wasteful number, since it uses less digits than its factorization.
22025013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 431883.
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 22025013 is about 4693.0813971207. The cubic root of 22025013 is about 280.3100858905.
Adding to 22025013 its reverse (31052022), we get a palindrome (53077035).
The spelling of 22025013 in words is "twenty-two million, twenty-five thousand, thirteen".
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