Search a number
-
+
1297706 = 22328211
BaseRepresentation
bin100111100110100101010
32102221010012
410330310222
5313011311
643451522
714013254
oct4746452
92387105
101297706
11806a93
12526ba2
13365897
1425acd4
151a978b
hex13cd2a

1297706 has 8 divisors (see below), whose sum is σ = 2031264. Its totient is φ = 620620.

The previous prime is 1297693. The next prime is 1297727. The reversal of 1297706 is 6077921.

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

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 14060 + ... + 14151.

It is an arithmetic number, because the mean of its divisors is an integer number (253908).

21297706 is an apocalyptic number.

1297706 is a deficient number, since it is larger than the sum of its proper divisors (733558).

1297706 is a wasteful number, since it uses less digits than its factorization.

1297706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28236.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 1297706 is about 1139.1689953646. The cubic root of 1297706 is about 109.0750542194.

The spelling of 1297706 in words is "one million, two hundred ninety-seven thousand, seven hundred six".

Divisors: 1 2 23 46 28211 56422 648853 1297706