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13824223 = 72282127
BaseRepresentation
bin110100101111…
…000011011111
3222000100021021
4310233003133
512014333343
61212145011
7225334600
oct64570337
928010237
1013824223
117892386
124768167
132b3041a
141b9bda7
1513310ed
hexd2f0df

13824223 has 6 divisors (see below), whose sum is σ = 16081296. Its totient is φ = 11849292.

The previous prime is 13824211. The next prime is 13824227. The reversal of 13824223 is 32242831.

It is not a de Polignac number, because 13824223 - 221 = 11727071 is a prime.

It is a super-2 number, since 2×138242232 = 382218283107458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13824227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141015 + ... + 141112.

It is an arithmetic number, because the mean of its divisors is an integer number (2680216).

Almost surely, 213824223 is an apocalyptic number.

13824223 is a deficient number, since it is larger than the sum of its proper divisors (2257073).

13824223 is an equidigital number, since it uses as much as digits as its factorization.

13824223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282141 (or 282134 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 13824223 is about 3718.0940009634. The cubic root of 13824223 is about 240.0012905023.

The spelling of 13824223 in words is "thirteen million, eight hundred twenty-four thousand, two hundred twenty-three".

Divisors: 1 7 49 282127 1974889 13824223