Base | Representation |
---|---|
bin | 101010000001… |
… | …0011011001001 |
3 | 1112110020111212 |
4 | 1110002123021 |
5 | 21114430100 |
6 | 2104102505 |
7 | 355152323 |
oct | 124023311 |
9 | 45406455 |
10 | 22030025 |
11 | 11487536 |
12 | 7464a35 |
13 | 4744424 |
14 | 2cd6613 |
15 | 1e02635 |
hex | 15026c9 |
22030025 has 18 divisors (see below), whose sum is σ = 28842462. Its totient is φ = 16689600.
The previous prime is 22030007. The next prime is 22030031. The reversal of 22030025 is 52003022.
It can be written as a sum of positive squares in 3 ways, for example, as 5776 + 22024249 = 76^2 + 4693^2 .
It is not a de Polignac number, because 22030025 - 210 = 22029001 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 22029991 and 22030009.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7805 + ... + 10245.
It is an arithmetic number, because the mean of its divisors is an integer number (1602359).
Almost surely, 222030025 is an apocalyptic number.
22030025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
22030025 is a deficient number, since it is larger than the sum of its proper divisors (6812437).
22030025 is a wasteful number, since it uses less digits than its factorization.
22030025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2489 (or 2465 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 14.
The square root of 22030025 is about 4693.6153442735. The cubic root of 22030025 is about 280.3313466815.
Adding to 22030025 its reverse (52003022), we get a palindrome (74033047).
The spelling of 22030025 in words is "twenty-two million, thirty thousand, twenty-five".
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