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12274146 = 233227299
BaseRepresentation
bin101110110100…
…100111100010
3212002120222000
4232310213202
511120233041
61115024430
7206220453
oct56644742
925076860
1012274146
116a23825
12413b116
132709a11
1418b712a
151126bb6
hexbb49e2

12274146 has 16 divisors (see below), whose sum is σ = 27276000. Its totient is φ = 4091364.

The previous prime is 12274127. The next prime is 12274159. The reversal of 12274146 is 64147221.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 113596 + ... + 113703.

It is an arithmetic number, because the mean of its divisors is an integer number (1704750).

Almost surely, 212274146 is an apocalyptic number.

12274146 is an abundant number, since it is smaller than the sum of its proper divisors (15001854).

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

12274146 is a wasteful number, since it uses less digits than its factorization.

12274146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227310 (or 227304 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 12274146 is about 3503.4477304507. The cubic root of 12274146 is about 230.6731758700.

The spelling of 12274146 in words is "twelve million, two hundred seventy-four thousand, one hundred forty-six".

Divisors: 1 2 3 6 9 18 27 54 227299 454598 681897 1363794 2045691 4091382 6137073 12274146