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12842834 = 26421417
BaseRepresentation
bin110000111111…
…011101010010
3220011111001112
4300333131102
511241432314
61135133322
7214106444
oct60773522
926144045
1012842834
117282014
124374242
132878814
1419c4494
1511da43e
hexc3f752

12842834 has 4 divisors (see below), whose sum is σ = 19264254. Its totient is φ = 6421416.

The previous prime is 12842833. The next prime is 12842849. The reversal of 12842834 is 43824821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11242609 + 1600225 = 3353^2 + 1265^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12842834.

It is not an unprimeable number, because it can be changed into a prime (12842831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3210707 + ... + 3210710.

Almost surely, 212842834 is an apocalyptic number.

12842834 is a deficient number, since it is larger than the sum of its proper divisors (6421420).

12842834 is an equidigital number, since it uses as much as digits as its factorization.

12842834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6421419.

The product of its digits is 12288, while the sum is 32.

The square root of 12842834 is about 3583.6899977537. The cubic root of 12842834 is about 234.1820605683.

The spelling of 12842834 in words is "twelve million, eight hundred forty-two thousand, eight hundred thirty-four".

Divisors: 1 2 6421417 12842834