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1282243 = 9713219
BaseRepresentation
bin100111001000011000011
32102010220111
410321003003
5312012433
643252151
713620214
oct4710303
92363814
101282243
117a6406
1251a057
1335b831
1425540b
151a4dcd
hex1390c3

1282243 has 4 divisors (see below), whose sum is σ = 1295560. Its totient is φ = 1268928.

The previous prime is 1282241. The next prime is 1282261. The reversal of 1282243 is 3422821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3422821 = 10193359.

It is a cyclic number.

It is not a de Polignac number, because 1282243 - 21 = 1282241 is a prime.

It is a super-2 number, since 2×12822432 = 3288294222098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1282241) 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, 6513 + ... + 6706.

It is an arithmetic number, because the mean of its divisors is an integer number (323890).

21282243 is an apocalyptic number.

1282243 is a deficient number, since it is larger than the sum of its proper divisors (13317).

1282243 is an equidigital number, since it uses as much as digits as its factorization.

1282243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13316.

The product of its digits is 768, while the sum is 22.

The square root of 1282243 is about 1132.3616913336. The cubic root of 1282243 is about 108.6400888912.

The spelling of 1282243 in words is "one million, two hundred eighty-two thousand, two hundred forty-three".

Divisors: 1 97 13219 1282243