Base | Representation |
---|---|
bin | 1000000111010… |
… | …10011110111011 |
3 | 11202002021112110 |
4 | 10003222132323 |
5 | 114411204212 |
6 | 10430543403 |
7 | 1454402535 |
oct | 403523673 |
9 | 152067473 |
10 | 68069307 |
11 | 35472529 |
12 | 1a967b63 |
13 | 11143ac7 |
14 | 907c855 |
15 | 5e98a3c |
hex | 40ea7bb |
68069307 has 16 divisors (see below), whose sum is σ = 95491872. Its totient is φ = 43073280.
The previous prime is 68069269. The next prime is 68069317. The reversal of 68069307 is 70396086.
It is not a de Polignac number, because 68069307 - 27 = 68069179 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68069317) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2928 + ... + 12029.
It is an arithmetic number, because the mean of its divisors is an integer number (5968242).
Almost surely, 268069307 is an apocalyptic number.
68069307 is a deficient number, since it is larger than the sum of its proper divisors (27422565).
68069307 is a wasteful number, since it uses less digits than its factorization.
68069307 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15038.
The product of its (nonzero) digits is 54432, while the sum is 39.
The square root of 68069307 is about 8250.4125351403. The cubic root of 68069307 is about 408.3041333370.
The spelling of 68069307 in words is "sixty-eight million, sixty-nine thousand, three hundred seven".
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