Base | Representation |
---|---|
bin | 101111110101… |
… | …1100101100101 |
3 | 1202012022022212 |
4 | 1133223211211 |
5 | 22410112323 |
6 | 2253333205 |
7 | 423123662 |
oct | 137534545 |
9 | 52168285 |
10 | 25082213 |
11 | 13181702 |
12 | 8497205 |
13 | 5272760 |
14 | 348ca69 |
15 | 2306b78 |
hex | 17eb965 |
25082213 has 16 divisors (see below), whose sum is σ = 28425600. Its totient is φ = 21958464.
The previous prime is 25082209. The next prime is 25082219. The reversal of 25082213 is 31228052.
It is a cyclic number.
It is not a de Polignac number, because 25082213 - 22 = 25082209 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25082219) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44270 + ... + 44832.
It is an arithmetic number, because the mean of its divisors is an integer number (1776600).
Almost surely, 225082213 is an apocalyptic number.
25082213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
25082213 is a deficient number, since it is larger than the sum of its proper divisors (3343387).
25082213 is a wasteful number, since it uses less digits than its factorization.
25082213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 748.
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 25082213 is about 5008.2145521134. The cubic root of 25082213 is about 292.7219461401.
The spelling of 25082213 in words is "twenty-five million, eighty-two thousand, two hundred thirteen".
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