Base | Representation |
---|---|
bin | 1000001101000… |
… | …01110101000111 |
3 | 11210111102200211 |
4 | 10012201311013 |
5 | 120104222140 |
6 | 10455020251 |
7 | 1463651155 |
oct | 406416507 |
9 | 153442624 |
10 | 68820295 |
11 | 35935785 |
12 | 1b06a687 |
13 | 1134788b |
14 | 91d63d5 |
15 | 60962ea |
hex | 41a1d47 |
68820295 has 8 divisors (see below), whose sum is σ = 82666224. Its totient is φ = 55001664.
The previous prime is 68820293. The next prime is 68820317. The reversal of 68820295 is 59202886.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68820295 - 21 = 68820293 is a prime.
It is a Duffinian number.
It is a plaindrome in base 13.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68820293) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789 + ... + 11758.
It is an arithmetic number, because the mean of its divisors is an integer number (10333278).
Almost surely, 268820295 is an apocalyptic number.
68820295 is a deficient number, since it is larger than the sum of its proper divisors (13845929).
68820295 is a wasteful number, since it uses less digits than its factorization.
68820295 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13649.
The product of its (nonzero) digits is 69120, while the sum is 40.
The square root of 68820295 is about 8295.7998408833. The cubic root of 68820295 is about 409.8002100164.
The spelling of 68820295 in words is "sixty-eight million, eight hundred twenty thousand, two hundred ninety-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •