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11224423 = 71603489
BaseRepresentation
bin101010110100…
…010101100111
3210010021000101
4222310111213
510333140143
61040324531
7164256160
oct52642547
923107011
1011224423
116377091
123913747
13242cc92
1416c2767
15ebab4d
hexab4567

11224423 has 4 divisors (see below), whose sum is σ = 12827920. Its totient is φ = 9620928.

The previous prime is 11224373. The next prime is 11224439. The reversal of 11224423 is 32442211.

Adding to 11224423 its reverse (32442211), we get a palindrome (43666634).

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32442211 = 38983399.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11224423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11224423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11224453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801738 + ... + 801751.

It is an arithmetic number, because the mean of its divisors is an integer number (3206980).

Almost surely, 211224423 is an apocalyptic number.

11224423 is a deficient number, since it is larger than the sum of its proper divisors (1603497).

11224423 is an equidigital number, since it uses as much as digits as its factorization.

11224423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603496.

The product of its digits is 384, while the sum is 19.

The square root of 11224423 is about 3350.2870026313. The cubic root of 11224423 is about 223.9002997530.

The spelling of 11224423 in words is "eleven million, two hundred twenty-four thousand, four hundred twenty-three".

Divisors: 1 7 1603489 11224423