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25244227 = 8923187
BaseRepresentation
bin110000001001…
…1001001000011
31202111112120101
41200103021003
522430303402
62301023231
7424400221
oct140231103
952445511
1025244227
11132823a8
128554b17
1352cb418
1434d1b11
152339b87
hex1813243

25244227 has 6 divisors (see below), whose sum is σ = 25539068. Its totient is φ = 24952752.

The previous prime is 25244183. The next prime is 25244237. The reversal of 25244227 is 72244252.

It is a de Polignac number, because none of the positive numbers 2k-25244227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25244195 and 25244204.

It is not an unprimeable number, because it can be changed into a prime (25244237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6328 + ... + 9514.

Almost surely, 225244227 is an apocalyptic number.

25244227 is a deficient number, since it is larger than the sum of its proper divisors (294841).

25244227 is an frugal number, since it uses more digits than its factorization.

25244227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3365 (or 3276 counting only the distinct ones).

The product of its digits is 8960, while the sum is 28.

The square root of 25244227 is about 5024.3633427530. The cubic root of 25244227 is about 293.3508553870.

Adding to 25244227 its reverse (72244252), we get a palindrome (97488479).

The spelling of 25244227 in words is "twenty-five million, two hundred forty-four thousand, two hundred twenty-seven".

Divisors: 1 89 3187 7921 283643 25244227