Search a number
-
+
11228423 = 29387187
BaseRepresentation
bin101010110101…
…010100000111
3210010110111112
4222311110013
510333302143
61040355235
7164303633
oct52652407
923113445
1011228423
11637a098
123915b1b
132431a4b
1416c3dc3
15ebbe18
hexab5507

11228423 has 4 divisors (see below), whose sum is σ = 11615640. Its totient is φ = 10841208.

The previous prime is 11228369. The next prime is 11228447. The reversal of 11228423 is 32482211.

It is a happy number.

11228423 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.

It is a cyclic number.

It is not a de Polignac number, because 11228423 - 26 = 11228359 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 (11228023) 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, 193565 + ... + 193622.

It is an arithmetic number, because the mean of its divisors is an integer number (2903910).

Almost surely, 211228423 is an apocalyptic number.

11228423 is a deficient number, since it is larger than the sum of its proper divisors (387217).

11228423 is an equidigital number, since it uses as much as digits as its factorization.

11228423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387216.

The product of its digits is 768, while the sum is 23.

The square root of 11228423 is about 3350.8839132384. The cubic root of 11228423 is about 223.9268933942.

The spelling of 11228423 in words is "eleven million, two hundred twenty-eight thousand, four hundred twenty-three".

Divisors: 1 29 387187 11228423