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12282190 = 251228219
BaseRepresentation
bin101110110110…
…100101001110
3212002222222221
4232312211032
511121012230
61115125554
7206253064
oct56664516
925088887
1012282190
116a29878
1241438ba
13271058b
1418ba034
15112927a
hexbb694e

12282190 has 8 divisors (see below), whose sum is σ = 22107960. Its totient is φ = 4912872.

The previous prime is 12282163. The next prime is 12282191. The reversal of 12282190 is 9128221.

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

It is a super-2 number, since 2×122821902 = 301704382392200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12282191) 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, 614100 + ... + 614119.

It is an arithmetic number, because the mean of its divisors is an integer number (2763495).

Almost surely, 212282190 is an apocalyptic number.

12282190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12282190 is a deficient number, since it is larger than the sum of its proper divisors (9825770).

12282190 is a wasteful number, since it uses less digits than its factorization.

12282190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228226.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 12282190 is about 3504.5955544114. The cubic root of 12282190 is about 230.7235562882.

The spelling of 12282190 in words is "twelve million, two hundred eighty-two thousand, one hundred ninety".

Divisors: 1 2 5 10 1228219 2456438 6141095 12282190