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12222383 = 53230611
BaseRepresentation
bin101110100111…
…111110101111
3211222221221212
4232213332233
511112104013
61113545035
7205613525
oct56477657
924887855
1012222383
116998948
12411517b
1326bc2a4
1418a2315
1511166a8
hexba7faf

12222383 has 4 divisors (see below), whose sum is σ = 12453048. Its totient is φ = 11991720.

The previous prime is 12222367. The next prime is 12222389. The reversal of 12222383 is 38322221.

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 12222383 - 24 = 12222367 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 (12222389) 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, 115253 + ... + 115358.

It is an arithmetic number, because the mean of its divisors is an integer number (3113262).

Almost surely, 212222383 is an apocalyptic number.

12222383 is a deficient number, since it is larger than the sum of its proper divisors (230665).

12222383 is an equidigital number, since it uses as much as digits as its factorization.

12222383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230664.

The product of its digits is 1152, while the sum is 23.

The square root of 12222383 is about 3496.0524881643. The cubic root of 12222383 is about 230.3484510346.

The spelling of 12222383 in words is "twelve million, two hundred twenty-two thousand, three hundred eighty-three".

Divisors: 1 53 230611 12222383