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11226197 = 93711981
BaseRepresentation
bin101010110100…
…110001010101
3210010100110002
4222310301111
510333214242
61040341045
7164264303
oct52646125
923110402
1011226197
116378454
123914785
132430a28
1416c3273
15ebb432
hexab4c55

11226197 has 4 divisors (see below), whose sum is σ = 11239116. Its totient is φ = 11213280.

The previous prime is 11226179. The next prime is 11226199. The reversal of 11226197 is 79162211.

11226197 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: 79162211 = 263300997.

It can be written as a sum of positive squares in 2 ways, for example, as 5885476 + 5340721 = 2426^2 + 2311^2 .

It is a cyclic number.

It is not a de Polignac number, because 11226197 - 218 = 10964053 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11226199) 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, 5054 + ... + 6927.

It is an arithmetic number, because the mean of its divisors is an integer number (2809779).

Almost surely, 211226197 is an apocalyptic number.

It is an amenable number.

11226197 is a deficient number, since it is larger than the sum of its proper divisors (12919).

11226197 is an equidigital number, since it uses as much as digits as its factorization.

11226197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12918.

The product of its digits is 1512, while the sum is 29.

The square root of 11226197 is about 3350.5517456085. The cubic root of 11226197 is about 223.9120948124.

The spelling of 11226197 in words is "eleven million, two hundred twenty-six thousand, one hundred ninety-seven".

Divisors: 1 937 11981 11226197