Base | Representation |
---|---|
bin | 101111101101… |
… | …0100000001011 |
3 | 1202001202100002 |
4 | 1133122200023 |
5 | 22400342420 |
6 | 2252033215 |
7 | 422412653 |
oct | 137324013 |
9 | 52052302 |
10 | 25012235 |
11 | 13134076 |
12 | 846280b |
13 | 5249951 |
14 | 3471363 |
15 | 22e1075 |
hex | 17da80b |
25012235 has 8 divisors (see below), whose sum is σ = 30437856. Its totient is φ = 19727680.
The previous prime is 25012231. The next prime is 25012241. The reversal of 25012235 is 53221052.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 25012235 - 22 = 25012231 is a prime.
It is a super-2 number, since 2×250122352 = 1251223799390450, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (25012231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34874 + ... + 35583.
It is an arithmetic number, because the mean of its divisors is an integer number (3804732).
Almost surely, 225012235 is an apocalyptic number.
25012235 is a deficient number, since it is larger than the sum of its proper divisors (5425621).
25012235 is an equidigital number, since it uses as much as digits as its factorization.
25012235 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70533.
The product of its (nonzero) digits is 600, while the sum is 20.
The square root of 25012235 is about 5001.2233503414. The cubic root of 25012235 is about 292.4494665179.
Adding to 25012235 its reverse (53221052), we get a palindrome (78233287).
The spelling of 25012235 in words is "twenty-five million, twelve thousand, two hundred thirty-five".
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