Base | Representation |
---|---|
bin | 110000000110… |
… | …1101110000111 |
3 | 1202110102010000 |
4 | 1200031232013 |
5 | 22424101043 |
6 | 2300332343 |
7 | 424245411 |
oct | 140155607 |
9 | 52412100 |
10 | 25222023 |
11 | 13267752 |
12 | 85440b3 |
13 | 52c1298 |
14 | 34c79b1 |
15 | 23332d3 |
hex | 180db87 |
25222023 has 20 divisors (see below), whose sum is σ = 38062728. Its totient is φ = 16642800.
The previous prime is 25222019. The next prime is 25222031. The reversal of 25222023 is 32022252.
It is not a de Polignac number, because 25222023 - 22 = 25222019 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 25221987 and 25222005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25222013) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6640 + ... + 9722.
Almost surely, 225222023 is an apocalyptic number.
25222023 is a deficient number, since it is larger than the sum of its proper divisors (12840705).
25222023 is a wasteful number, since it uses less digits than its factorization.
25222023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3196 (or 3187 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 18.
The square root of 25222023 is about 5022.1532234690. The cubic root of 25222023 is about 293.2648228717.
Adding to 25222023 its reverse (32022252), we get a palindrome (57244275).
The spelling of 25222023 in words is "twenty-five million, two hundred twenty-two thousand, twenty-three".
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