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226913 is a prime number
BaseRepresentation
bin110111011001100001
3102112021012
4313121201
524230123
64510305
71633361
oct673141
9375235
10226913
11145535
12ab395
137c38b
145c9a1
1547378
hex37661

226913 has 2 divisors, whose sum is σ = 226914. Its totient is φ = 226912.

The previous prime is 226907. The next prime is 226937. The reversal of 226913 is 319622.

Added to its reverse (319622) it gives a triangular number (546535 = T1045).

226913 is nontrivially palindromic in base 7.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214369 + 12544 = 463^2 + 112^2 .

It is a cyclic number.

It is not a de Polignac number, because 226913 - 28 = 226657 is a prime.

It is not a weakly prime, because it can be changed into another prime (226903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113456 + 113457.

It is an arithmetic number, because the mean of its divisors is an integer number (113457).

2226913 is an apocalyptic number.

It is an amenable number.

226913 is a deficient number, since it is larger than the sum of its proper divisors (1).

226913 is an equidigital number, since it uses as much as digits as its factorization.

226913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 23.

The square root of 226913 is about 476.3538600662. The cubic root of 226913 is about 60.9939078391.

Adding to 226913 its reverse (319622), we get a triangular number (546535 = T1045).

The spelling of 226913 in words is "two hundred twenty-six thousand, nine hundred thirteen".