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11255213 = 73154181
BaseRepresentation
bin101010111011…
…110110101101
3210011211020202
4222323312231
510340131323
61041123245
7164445014
oct52736655
923154222
1011255213
116398232
123929525
132440cb8
1416cda7b
15ec4d28
hexabbdad

11255213 has 4 divisors (see below), whose sum is σ = 11409468. Its totient is φ = 11100960.

The previous prime is 11255203. The next prime is 11255243. The reversal of 11255213 is 31255211.

It is a happy number.

11255213 is digitally balanced in base 3, 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, and also an emirpimes, since its reverse is a distinct semiprime: 31255211 = 132404247.

It can be written as a sum of positive squares in 2 ways, for example, as 3087049 + 8168164 = 1757^2 + 2858^2 .

It is a cyclic number.

It is not a de Polignac number, because 11255213 - 26 = 11255149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11255203) 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, 77018 + ... + 77163.

It is an arithmetic number, because the mean of its divisors is an integer number (2852367).

Almost surely, 211255213 is an apocalyptic number.

It is an amenable number.

11255213 is a deficient number, since it is larger than the sum of its proper divisors (154255).

11255213 is an equidigital number, since it uses as much as digits as its factorization.

11255213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154254.

The product of its digits is 300, while the sum is 20.

The square root of 11255213 is about 3354.8789844047. The cubic root of 11255213 is about 224.1048417063.

The spelling of 11255213 in words is "eleven million, two hundred fifty-five thousand, two hundred thirteen".

Divisors: 1 73 154181 11255213