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12283642 = 27877403
BaseRepresentation
bin101110110110…
…111011111010
3212010001222201
4232312323322
511121034032
61115140414
7206260240
oct56667372
925101881
1012283642
116a2a978
12414470a
132711137
1418ba790
1511298e7
hexbb6efa

12283642 has 8 divisors (see below), whose sum is σ = 21057696. Its totient is φ = 5264412.

The previous prime is 12283627. The next prime is 12283643. The reversal of 12283642 is 24638221.

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 12283642.

It is not an unprimeable number, because it can be changed into a prime (12283643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438688 + ... + 438715.

It is an arithmetic number, because the mean of its divisors is an integer number (2632212).

Almost surely, 212283642 is an apocalyptic number.

12283642 is a deficient number, since it is larger than the sum of its proper divisors (8774054).

12283642 is an equidigital number, since it uses as much as digits as its factorization.

12283642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877412.

The product of its digits is 4608, while the sum is 28.

The square root of 12283642 is about 3504.8027048609. The cubic root of 12283642 is about 230.7326479731.

The spelling of 12283642 in words is "twelve million, two hundred eighty-three thousand, six hundred forty-two".

Divisors: 1 2 7 14 877403 1754806 6141821 12283642