Base | Representation |
---|---|
bin | 110000000101… |
… | …0000011100100 |
3 | 1202102122112001 |
4 | 1200022003210 |
5 | 22423111022 |
6 | 2300135044 |
7 | 424153555 |
oct | 140120344 |
9 | 52378461 |
10 | 25207012 |
11 | 13257446 |
12 | 8537484 |
13 | 52b74bc |
14 | 34c232c |
15 | 232db27 |
hex | 180a0e4 |
25207012 has 12 divisors (see below), whose sum is σ = 44944956. Its totient is φ = 12365600.
The previous prime is 25207009. The next prime is 25207033. The reversal of 25207012 is 21070252.
It can be written as a sum of positive squares in 2 ways, for example, as 13957696 + 11249316 = 3736^2 + 3354^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59239 + ... + 59662.
It is an arithmetic number, because the mean of its divisors is an integer number (3745413).
Almost surely, 225207012 is an apocalyptic number.
It is an amenable number.
25207012 is a deficient number, since it is larger than the sum of its proper divisors (19737944).
25207012 is a wasteful number, since it uses less digits than its factorization.
25207012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118958 (or 118956 counting only the distinct ones).
The product of its (nonzero) digits is 280, while the sum is 19.
The square root of 25207012 is about 5020.6585225446. The cubic root of 25207012 is about 293.2066320349.
Adding to 25207012 its reverse (21070252), we get a palindrome (46277264).
The spelling of 25207012 in words is "twenty-five million, two hundred seven thousand, twelve".
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