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225319 = 1391621
BaseRepresentation
bin110111000000100111
3102110002011
4313000213
524202234
64455051
71625623
oct670047
9373064
10225319
11144316
12aa487
137b733
145c183
1546b64
hex37027

225319 has 4 divisors (see below), whose sum is σ = 227080. Its totient is φ = 223560.

The previous prime is 225307. The next prime is 225341. The reversal of 225319 is 913522.

225319 is nontrivially palindromic in base 15.

225319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225319 - 25 = 225287 is a prime.

It is a super-2 number, since 2×2253192 = 101537303522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672 + ... + 949.

It is an arithmetic number, because the mean of its divisors is an integer number (56770).

2225319 is an apocalyptic number.

225319 is a deficient number, since it is larger than the sum of its proper divisors (1761).

225319 is a wasteful number, since it uses less digits than its factorization.

225319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760.

The product of its digits is 540, while the sum is 22.

The square root of 225319 is about 474.6777854503. The cubic root of 225319 is about 60.8507504183.

The spelling of 225319 in words is "two hundred twenty-five thousand, three hundred nineteen".

Divisors: 1 139 1621 225319