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11252231 = 25743783
BaseRepresentation
bin101010111011…
…001000000111
3210011200011022
4222323020013
510340032411
61041101355
7164433224
oct52731007
923150138
1011252231
116395a71
12392785b
13243c833
1416cc94b
15ec3edb
hexabb207

11252231 has 4 divisors (see below), whose sum is σ = 11296272. Its totient is φ = 11208192.

The previous prime is 11252209. The next prime is 11252239. The reversal of 11252231 is 13225211.

It is a happy number.

11252231 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, and also an emirpimes, since its reverse is a distinct semiprime: 13225211 = 34738113.

It is a cyclic number.

It is not a de Polignac number, because 11252231 - 26 = 11252167 is a prime.

It is a super-2 number, since 2×112522312 = 253225404954722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11252239) 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, 21635 + ... + 22148.

It is an arithmetic number, because the mean of its divisors is an integer number (2824068).

Almost surely, 211252231 is an apocalyptic number.

11252231 is a deficient number, since it is larger than the sum of its proper divisors (44041).

11252231 is an equidigital number, since it uses as much as digits as its factorization.

11252231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44040.

The product of its digits is 120, while the sum is 17.

The square root of 11252231 is about 3354.4345276067. The cubic root of 11252231 is about 224.0850482214.

Adding to 11252231 its reverse (13225211), we get a palindrome (24477442).

The spelling of 11252231 in words is "eleven million, two hundred fifty-two thousand, two hundred thirty-one".

Divisors: 1 257 43783 11252231