Base | Representation |
---|---|
bin | 1000101010100… |
… | …00010011110101 |
3 | 12001202120011112 |
4 | 10111100103311 |
5 | 122101240233 |
6 | 11113444405 |
7 | 1541530031 |
oct | 425202365 |
9 | 161676145 |
10 | 72680693 |
11 | 38032098 |
12 | 20410705 |
13 | 12099a37 |
14 | 991d1c1 |
15 | 65aa048 |
hex | 45504f5 |
72680693 has 8 divisors (see below), whose sum is σ = 74390400. Its totient is φ = 70991008.
The previous prime is 72680683. The next prime is 72680717. The reversal of 72680693 is 39608627.
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 72680693 - 24 = 72680677 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 72680693.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72680653) 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, 2468 + ... + 12306.
It is an arithmetic number, because the mean of its divisors is an integer number (9298800).
Almost surely, 272680693 is an apocalyptic number.
It is an amenable number.
72680693 is a deficient number, since it is larger than the sum of its proper divisors (1709707).
72680693 is an equidigital number, since it uses as much as digits as its factorization.
72680693 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10011.
The product of its (nonzero) digits is 108864, while the sum is 41.
The square root of 72680693 is about 8525.2972382199. The cubic root of 72680693 is about 417.3236718194.
The spelling of 72680693 in words is "seventy-two million, six hundred eighty thousand, six hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •