Base | Representation |
---|---|
bin | 1000001010000… |
… | …10011110000001 |
3 | 11202202120220020 |
4 | 10011002132001 |
5 | 120004222242 |
6 | 10442404053 |
7 | 1460433330 |
oct | 405023601 |
9 | 152676806 |
10 | 68429697 |
11 | 35699276 |
12 | 1ab00629 |
13 | 1123bb5b |
14 | 9133d17 |
15 | 601a6ec |
hex | 4142781 |
68429697 has 64 divisors (see below), whose sum is σ = 116121600. Its totient is φ = 34974720.
The previous prime is 68429681. The next prime is 68429701. The reversal of 68429697 is 79692486.
It is a happy number.
It is not a de Polignac number, because 68429697 - 24 = 68429681 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68429657) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 768829 + ... + 768917.
It is an arithmetic number, because the mean of its divisors is an integer number (1814400).
Almost surely, 268429697 is an apocalyptic number.
It is an amenable number.
68429697 is a deficient number, since it is larger than the sum of its proper divisors (47691903).
68429697 is a wasteful number, since it uses less digits than its factorization.
68429697 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 206.
The product of its digits is 1306368, while the sum is 51.
The square root of 68429697 is about 8272.2244287737. The cubic root of 68429697 is about 409.0234482206.
It can be divided in two parts, 684 and 29697, that added together give a triangular number (30381 = T246).
The spelling of 68429697 in words is "sixty-eight million, four hundred twenty-nine thousand, six hundred ninety-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •