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12942273 = 38351977
BaseRepresentation
bin110001010111…
…101111000001
3220100112110110
4301113233001
511303123043
61141221533
7215002401
oct61275701
926315413
1012942273
11733a7a3
1244018a9
1328b1b66
141a0c801
151209b33
hexc57bc1

12942273 has 8 divisors (see below), whose sum is σ = 17464608. Its totient is φ = 8524064.

The previous prime is 12942233. The next prime is 12942301. The reversal of 12942273 is 37224921.

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

It is a cyclic number.

It is not a de Polignac number, because 12942273 - 220 = 11893697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12942273.

It is not an unprimeable number, because it can be changed into a prime (12942203) 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 7 ways as a sum of consecutive naturals, for example, 25740 + ... + 26237.

It is an arithmetic number, because the mean of its divisors is an integer number (2183076).

Almost surely, 212942273 is an apocalyptic number.

It is an amenable number.

12942273 is a deficient number, since it is larger than the sum of its proper divisors (4522335).

12942273 is an equidigital number, since it uses as much as digits as its factorization.

12942273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52063.

The product of its digits is 6048, while the sum is 30.

The square root of 12942273 is about 3597.5370741662. The cubic root of 12942273 is about 234.7849125989.

The spelling of 12942273 in words is "twelve million, nine hundred forty-two thousand, two hundred seventy-three".

Divisors: 1 3 83 249 51977 155931 4314091 12942273