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12272333 = 13019433
BaseRepresentation
bin101110110100…
…001011001101
3212002111110212
4232310023031
511120203313
61115012205
7206212253
oct56641315
925074425
1012272333
116a22427
12413a065
132708c48
1418b65d3
1511263a8
hexbb42cd

12272333 has 4 divisors (see below), whose sum is σ = 12283068. Its totient is φ = 12261600.

The previous prime is 12272327. The next prime is 12272341. The reversal of 12272333 is 33327221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 33327221 = 308910789.

It can be written as a sum of positive squares in 2 ways, for example, as 2951524 + 9320809 = 1718^2 + 3053^2 .

It is a cyclic number.

It is not a de Polignac number, because 12272333 - 26 = 12272269 is a prime.

It is a super-2 number, since 2×122723332 = 301220314525778, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12272299 and 12272308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12272303) 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, 3416 + ... + 6017.

It is an arithmetic number, because the mean of its divisors is an integer number (3070767).

Almost surely, 212272333 is an apocalyptic number.

It is an amenable number.

12272333 is a deficient number, since it is larger than the sum of its proper divisors (10735).

12272333 is an equidigital number, since it uses as much as digits as its factorization.

12272333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10734.

The product of its digits is 1512, while the sum is 23.

The square root of 12272333 is about 3503.1889757762. The cubic root of 12272333 is about 230.6618178209.

Adding to 12272333 its reverse (33327221), we get a palindrome (45599554).

The spelling of 12272333 in words is "twelve million, two hundred seventy-two thousand, three hundred thirty-three".

Divisors: 1 1301 9433 12272333