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25227275 = 5297101103
BaseRepresentation
bin110000000111…
…1000000001011
31202110200022112
41200033000023
522424233100
62300412535
7424266623
oct140170013
952420275
1025227275
1113270697
12854714b
1352c37a8
1434c9883
152334b35
hex180f00b

25227275 has 24 divisors (see below), whose sum is σ = 32227104. Its totient is φ = 19584000.

The previous prime is 25227271. The next prime is 25227277. The reversal of 25227275 is 57272252.

It is not a de Polignac number, because 25227275 - 22 = 25227271 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25227271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244874 + ... + 244976.

It is an arithmetic number, because the mean of its divisors is an integer number (1342796).

Almost surely, 225227275 is an apocalyptic number.

25227275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25227275 is a deficient number, since it is larger than the sum of its proper divisors (6999829).

25227275 is a wasteful number, since it uses less digits than its factorization.

25227275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 306 counting only the distinct ones).

The product of its digits is 19600, while the sum is 32.

The square root of 25227275 is about 5022.6760795417. The cubic root of 25227275 is about 293.2851770407.

The spelling of 25227275 in words is "twenty-five million, two hundred twenty-seven thousand, two hundred seventy-five".

Divisors: 1 5 25 97 101 103 485 505 515 2425 2525 2575 9797 9991 10403 48985 49955 52015 244925 249775 260075 1009091 5045455 25227275