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17225 = 521353
BaseRepresentation
bin100001101001001
3212121222
410031021
51022400
6211425
7101135
oct41511
925558
1017225
1111a3a
129b75
137ac0
1463c5
155185
hex4349

17225 has 12 divisors (see below), whose sum is σ = 23436. Its totient is φ = 12480.

The previous prime is 17209. The next prime is 17231. The reversal of 17225 is 52271.

It can be written as a sum of positive squares in 6 ways, for example, as 841 + 16384 = 29^2 + 128^2 .

It is not a de Polignac number, because 17225 - 24 = 17209 is a prime.

It is a hoax number, since the sum of its digits (17) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 299 + ... + 351.

It is an arithmetic number, because the mean of its divisors is an integer number (1953).

217225 is an apocalyptic number.

It is an amenable number.

17225 is a deficient number, since it is larger than the sum of its proper divisors (6211).

17225 is a wasteful number, since it uses less digits than its factorization.

17225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 71 counting only the distinct ones).

The product of its digits is 140, while the sum is 17.

The square root of 17225 is about 131.2440474841. The cubic root of 17225 is about 25.8257579823.

Adding to 17225 its reverse (52271), we get a palindrome (69496).

It can be divided in two parts, 17 and 225, that added together give a palindrome (242).

The spelling of 17225 in words is "seventeen thousand, two hundred twenty-five".

Divisors: 1 5 13 25 53 65 265 325 689 1325 3445 17225