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12274892 = 227262627
BaseRepresentation
bin101110110100…
…110011001100
3212002121222122
4232310303030
511120244032
61115032112
7206222600
oct56646314
925077878
1012274892
116a24343
12413b638
13270a166
1418b7500
151127012
hexbb4ccc

12274892 has 18 divisors (see below), whose sum is σ = 24988572. Its totient is φ = 5260584.

The previous prime is 12274883. The next prime is 12274897. The reversal of 12274892 is 29847221.

It is a super-2 number, since 2×122748922 = 301345947223328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12274897) 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 5 ways as a sum of consecutive naturals, for example, 31118 + ... + 31509.

It is an arithmetic number, because the mean of its divisors is an integer number (1388254).

Almost surely, 212274892 is an apocalyptic number.

It is an amenable number.

12274892 is an abundant number, since it is smaller than the sum of its proper divisors (12713680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12274892 is a wasteful number, since it uses less digits than its factorization.

12274892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62645 (or 62636 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 12274892 is about 3503.5541953850. The cubic root of 12274892 is about 230.6778490723.

The spelling of 12274892 in words is "twelve million, two hundred seventy-four thousand, eight hundred ninety-two".

Divisors: 1 2 4 7 14 28 49 98 196 62627 125254 250508 438389 876778 1753556 3068723 6137446 12274892