Base | Representation |
---|---|
bin | 101111101100… |
… | …0010011011001 |
3 | 1202001021222101 |
4 | 1133120103121 |
5 | 22400100400 |
6 | 2251523401 |
7 | 422344462 |
oct | 137302331 |
9 | 52037871 |
10 | 25003225 |
11 | 13128325 |
12 | 8459561 |
13 | 5245810 |
14 | 346bd69 |
15 | 22dd56a |
hex | 17d84d9 |
25003225 has 24 divisors (see below), whose sum is σ = 33747840. Its totient is φ = 18265920.
The previous prime is 25003217. The next prime is 25003247. The reversal of 25003225 is 52230052.
It is not a de Polignac number, because 25003225 - 23 = 25003217 is a prime.
It is a super-2 number, since 2×250032252 = 1250322520801250, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34416 + ... + 35134.
It is an arithmetic number, because the mean of its divisors is an integer number (1406160).
Almost surely, 225003225 is an apocalyptic number.
25003225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
25003225 is a deficient number, since it is larger than the sum of its proper divisors (8744615).
25003225 is a wasteful number, since it uses less digits than its factorization.
25003225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 849 (or 844 counting only the distinct ones).
The product of its (nonzero) digits is 600, while the sum is 19.
The square root of 25003225 is about 5000.3224896000. The cubic root of 25003225 is about 292.4143465569.
Adding to 25003225 its reverse (52230052), we get a palindrome (77233277).
The spelling of 25003225 in words is "twenty-five million, three thousand, two hundred twenty-five".
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