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225007 = 2231009
BaseRepresentation
bin110110111011101111
3102102122121
4312323233
524200012
64453411
71624666
oct667357
9372577
10225007
11144062
12aa267
137b553
145bddd
1546a07
hex36eef

225007 has 4 divisors (see below), whose sum is σ = 226240. Its totient is φ = 223776.

The previous prime is 224993. The next prime is 225023. The reversal of 225007 is 700522.

It is a happy number.

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 225007 - 215 = 192239 is a prime.

It is a Duffinian number.

225007 is a lucky number.

It is a plaindrome in base 14 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225037) 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, 282 + ... + 727.

It is an arithmetic number, because the mean of its divisors is an integer number (56560).

2225007 is an apocalyptic number.

225007 is a deficient number, since it is larger than the sum of its proper divisors (1233).

225007 is a wasteful number, since it uses less digits than its factorization.

225007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232.

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 225007 is about 474.3490276157. The cubic root of 225007 is about 60.8226506961.

Adding to 225007 its reverse (700522), we get a palindrome (925529).

The spelling of 225007 in words is "two hundred twenty-five thousand, seven".

Divisors: 1 223 1009 225007