Base | Representation |
---|---|
bin | 1000001110001… |
… | …11000011111111 |
3 | 11210210011220010 |
4 | 10013013003333 |
5 | 120124112144 |
6 | 10502154303 |
7 | 1465154610 |
oct | 407070377 |
9 | 153704803 |
10 | 68972799 |
11 | 35a2a315 |
12 | 1b122993 |
13 | 1139c10c |
14 | 9235c07 |
15 | 60c65b9 |
hex | 41c70ff |
68972799 has 32 divisors (see below), whose sum is σ = 109670400. Its totient is φ = 37728000.
The previous prime is 68972789. The next prime is 68972801. The reversal of 68972799 is 99727986.
It is not a de Polignac number, because 68972799 - 29 = 68972287 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68972719) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65227 + ... + 66275.
It is an arithmetic number, because the mean of its divisors is an integer number (3427200).
Almost surely, 268972799 is an apocalyptic number.
68972799 is a deficient number, since it is larger than the sum of its proper divisors (40697601).
68972799 is a wasteful number, since it uses less digits than its factorization.
68972799 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1191.
The product of its digits is 3429216, while the sum is 57.
The square root of 68972799 is about 8304.9863937276. The cubic root of 68972799 is about 410.1026889323.
The spelling of 68972799 in words is "sixty-eight million, nine hundred seventy-two thousand, seven hundred ninety-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.095 sec. • engine limits •