Base | Representation |
---|---|
bin | 11010110111010… |
… | …01100101011001 |
3 | 120201001001212022 |
4 | 31123221211121 |
5 | 430142231100 |
6 | 34210024225 |
7 | 5404313663 |
oct | 1533514531 |
9 | 521031768 |
10 | 225352025 |
11 | 106229348 |
12 | 63578075 |
13 | 378c27c2 |
14 | 21d01533 |
15 | 14bb5e85 |
hex | d6e9959 |
225352025 has 18 divisors (see below), whose sum is σ = 284897130. Its totient is φ = 176824960.
The previous prime is 225352007. The next prime is 225352073. The reversal of 225352025 is 520253522.
It is a happy number.
It can be written as a sum of positive squares in 9 ways, for example, as 16491721 + 208860304 = 4061^2 + 14452^2 .
It is not a de Polignac number, because 225352025 - 216 = 225286489 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 225351985 and 225352003.
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, 68621 + ... + 71829.
Almost surely, 2225352025 is an apocalyptic number.
225352025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
225352025 is a deficient number, since it is larger than the sum of its proper divisors (59545105).
225352025 is an equidigital number, since it uses as much as digits as its factorization.
225352025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3325 (or 3267 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 26.
The square root of 225352025 is about 15011.7295805647. The cubic root of 225352025 is about 608.5372323737.
The spelling of 225352025 in words is "two hundred twenty-five million, three hundred fifty-two thousand, twenty-five".
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