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14272225 = 521151899
BaseRepresentation
bin110110011100…
…011011100001
3222212002210221
4312130123201
512123202400
61225523041
7232211662
oct66343341
928762727
1014272225
118068a30
124943481
132c59306
141c77369
1513bdc1a
hexd9c6e1

14272225 has 12 divisors (see below), whose sum is σ = 19306800. Its totient is φ = 10379600.

The previous prime is 14272201. The next prime is 14272301. The reversal of 14272225 is 52227241.

It is not a de Polignac number, because 14272225 - 29 = 14271713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 14272225.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 25675 + ... + 26224.

It is an arithmetic number, because the mean of its divisors is an integer number (1608900).

Almost surely, 214272225 is an apocalyptic number.

It is an amenable number.

14272225 is a deficient number, since it is larger than the sum of its proper divisors (5034575).

14272225 is a wasteful number, since it uses less digits than its factorization.

14272225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51920 (or 51915 counting only the distinct ones).

The product of its digits is 2240, while the sum is 25.

The square root of 14272225 is about 3777.8598438799. The cubic root of 14272225 is about 242.5663544640.

Adding to 14272225 its reverse (52227241), we get a palindrome (66499466).

The spelling of 14272225 in words is "fourteen million, two hundred seventy-two thousand, two hundred twenty-five".

Divisors: 1 5 11 25 55 275 51899 259495 570889 1297475 2854445 14272225