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12272842 = 27518171
BaseRepresentation
bin101110110100…
…010011001010
3212002112011201
4232310103022
511120212332
61115014414
7206213611
oct56642312
925075151
1012272842
116a2284a
12413a40a
13270924a
1418b6878
1511265e7
hexbb44ca

12272842 has 8 divisors (see below), whose sum is σ = 18436032. Its totient is φ = 6127500.

The previous prime is 12272831. The next prime is 12272849. The reversal of 12272842 is 24827221.

12272842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12272842.

It is not an unprimeable number, because it can be changed into a prime (12272849) 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, 2584 + ... + 5587.

It is an arithmetic number, because the mean of its divisors is an integer number (2304504).

Almost surely, 212272842 is an apocalyptic number.

12272842 is a deficient number, since it is larger than the sum of its proper divisors (6163190).

12272842 is an equidigital number, since it uses as much as digits as its factorization.

12272842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8924.

The product of its digits is 3584, while the sum is 28.

The square root of 12272842 is about 3503.2616231164. The cubic root of 12272842 is about 230.6650067077.

The spelling of 12272842 in words is "twelve million, two hundred seventy-two thousand, eight hundred forty-two".

Divisors: 1 2 751 1502 8171 16342 6136421 12272842