Base | Representation |
---|---|
bin | 1000001000101… |
… | …00111101001010 |
3 | 11202102010011200 |
4 | 10010110331022 |
5 | 114432241044 |
6 | 10434405030 |
7 | 1456025661 |
oct | 404247512 |
9 | 152363150 |
10 | 68243274 |
11 | 35581200 |
12 | 1aa30776 |
13 | 111a5048 |
14 | 90c5dd8 |
15 | 5ed0369 |
hex | 4114f4a |
68243274 has 36 divisors (see below), whose sum is σ = 162529458. Its totient is φ = 20679120.
The previous prime is 68243261. The next prime is 68243297. The reversal of 68243274 is 47234286.
It can be written as a sum of positive squares in only one way, i.e., 34892649 + 33350625 = 5907^2 + 5775^2 .
It is a Curzon number.
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 17 ways as a sum of consecutive naturals, for example, 13489 + ... + 17844.
Almost surely, 268243274 is an apocalyptic number.
68243274 is an abundant number, since it is smaller than the sum of its proper divisors (94286184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68243274 is a wasteful number, since it uses less digits than its factorization.
68243274 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31363 (or 31349 counting only the distinct ones).
The product of its digits is 64512, while the sum is 36.
The square root of 68243274 is about 8260.9487348609. The cubic root of 68243274 is about 408.6516762634.
It can be divided in two parts, 682 and 43274, that added together give a triangular number (43956 = T296).
The spelling of 68243274 in words is "sixty-eight million, two hundred forty-three thousand, two hundred seventy-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •