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25226625 = 35367271
BaseRepresentation
bin110000000111…
…0110110000001
31202110122102110
41200032312001
522424223000
62300405533
7424265004
oct140166601
952418373
1025226625
1113270156
1285468a9
1352c33c8
1434c953b
152334850
hex180ed81

25226625 has 16 divisors (see below), whose sum is σ = 41977728. Its totient is φ = 13454000.

The previous prime is 25226609. The next prime is 25226627. The reversal of 25226625 is 52662252.

It is not a de Polignac number, because 25226625 - 24 = 25226609 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25226592 and 25226601.

It is not an unprimeable number, because it can be changed into a prime (25226627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33261 + ... + 34010.

It is an arithmetic number, because the mean of its divisors is an integer number (2623608).

Almost surely, 225226625 is an apocalyptic number.

25226625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25226625 is a deficient number, since it is larger than the sum of its proper divisors (16751103).

25226625 is an equidigital number, since it uses as much as digits as its factorization.

25226625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67289 (or 67279 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 25226625 is about 5022.6113725830. The cubic root of 25226625 is about 293.2826581136.

Adding to 25226625 its reverse (52662252), we get a palindrome (77888877).

The spelling of 25226625 in words is "twenty-five million, two hundred twenty-six thousand, six hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 375 67271 201813 336355 1009065 1681775 5045325 8408875 25226625