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1284314 = 2642157
BaseRepresentation
bin100111001100011011010
32102020202012
410321203122
5312044224
643305522
713626233
oct4714332
92366665
101284314
117a7a19
1251b2a2
1335c765
1425608a
151a580e
hex1398da

1284314 has 4 divisors (see below), whose sum is σ = 1926474. Its totient is φ = 642156.

The previous prime is 1284313. The next prime is 1284317. The reversal of 1284314 is 4134821.

1284314 is nontrivially palindromic in base 3.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4134821 = 16325367.

It can be written as a sum of positive squares in only one way, i.e., 1283689 + 625 = 1133^2 + 25^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1284314.

It is not an unprimeable number, because it can be changed into a prime (1284313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321077 + ... + 321080.

21284314 is an apocalyptic number.

1284314 is a deficient number, since it is larger than the sum of its proper divisors (642160).

1284314 is an equidigital number, since it uses as much as digits as its factorization.

1284314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642159.

The product of its digits is 768, while the sum is 23.

The square root of 1284314 is about 1133.2757828525. The cubic root of 1284314 is about 108.6985470255.

The spelling of 1284314 in words is "one million, two hundred eighty-four thousand, three hundred fourteen".

Divisors: 1 2 642157 1284314