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12223093 = 74316451
BaseRepresentation
bin101110101000…
…001001110101
3211222222221011
4232220021311
511112114333
61113552221
7205615561
oct56501165
924888834
1012223093
116999433
124115671
1326bc6cc
1418a26a1
1511169cd
hexba8275

12223093 has 4 divisors (see below), whose sum is σ = 12240288. Its totient is φ = 12205900.

The previous prime is 12223087. The next prime is 12223109. The reversal of 12223093 is 39032221.

12223093 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12223093 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223693) 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, 7483 + ... + 8968.

It is an arithmetic number, because the mean of its divisors is an integer number (3060072).

Almost surely, 212223093 is an apocalyptic number.

It is an amenable number.

12223093 is a deficient number, since it is larger than the sum of its proper divisors (17195).

12223093 is an equidigital number, since it uses as much as digits as its factorization.

12223093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17194.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 12223093 is about 3496.1540297876. The cubic root of 12223093 is about 230.3529112732.

The spelling of 12223093 in words is "twelve million, two hundred twenty-three thousand, ninety-three".

Divisors: 1 743 16451 12223093