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220325 = 5271259
BaseRepresentation
bin110101110010100101
3102012020012
4311302211
524022300
64420005
71605230
oct656245
9365205
10220325
11140596
12a7605
1379391
145a417
1545435
hex35ca5

220325 has 12 divisors (see below), whose sum is σ = 312480. Its totient is φ = 150960.

The previous prime is 220307. The next prime is 220327. The reversal of 220325 is 523022.

220325 = 2702 + 2712 + 2722.

It is not a de Polignac number, because 220325 - 210 = 219301 is a prime.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 220325.

It is not an unprimeable number, because it can be changed into a prime (220327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 455 + ... + 804.

It is an arithmetic number, because the mean of its divisors is an integer number (26040).

2220325 is an apocalyptic number.

220325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220325 is a deficient number, since it is larger than the sum of its proper divisors (92155).

220325 is a wasteful number, since it uses less digits than its factorization.

220325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276 (or 1271 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 220325 is about 469.3878992901. The cubic root of 220325 is about 60.3978194614.

Adding to 220325 its reverse (523022), we get a palindrome (743347).

It can be divided in two parts, 220 and 325, that added together give a palindrome (545).

The spelling of 220325 in words is "two hundred twenty thousand, three hundred twenty-five".

Divisors: 1 5 7 25 35 175 1259 6295 8813 31475 44065 220325