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10267223 = 23446401
BaseRepresentation
bin100111001010…
…101001010111
3201022121222112
4213022221113
510112022343
61004021235
7153161411
oct47125127
921277875
1010267223
115882a0a
12353181b
1321863a5
1415139b1
15d7c218
hex9caa57

10267223 has 4 divisors (see below), whose sum is σ = 10713648. Its totient is φ = 9820800.

The previous prime is 10267211. The next prime is 10267237. The reversal of 10267223 is 32276201.

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 10267223 - 28 = 10266967 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 446401 = 10267223 / (1 + 0 + 2 + 6 + 7 + 2 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10267253) 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, 223178 + ... + 223223.

It is an arithmetic number, because the mean of its divisors is an integer number (2678412).

Almost surely, 210267223 is an apocalyptic number.

10267223 is a deficient number, since it is larger than the sum of its proper divisors (446425).

10267223 is an equidigital number, since it uses as much as digits as its factorization.

10267223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446424.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 10267223 is about 3204.2507704610. The cubic root of 10267223 is about 217.3456728810.

Adding to 10267223 its sum of digits (23), we get a triangular number (10267246 = T4531).

The spelling of 10267223 in words is "ten million, two hundred sixty-seven thousand, two hundred twenty-three".

Divisors: 1 23 446401 10267223