Base | Representation |
---|---|
bin | 11101010011000001011011 |
3 | 112110012002211 |
4 | 131103001123 |
5 | 3431230331 |
6 | 432335551 |
7 | 122164636 |
oct | 35230133 |
9 | 15405084 |
10 | 7680091 |
11 | 4376191 |
12 | 26a45b7 |
13 | 178b943 |
14 | 103cc1d |
15 | a1a8b1 |
hex | 75305b |
7680091 has 8 divisors (see below), whose sum is σ = 8054784. Its totient is φ = 7308840.
The previous prime is 7680067. The next prime is 7680103. The reversal of 7680091 is 1900867.
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 7680091 - 25 = 7680059 is a prime.
7680091 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (7680191) 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, 4486 + ... + 5956.
It is an arithmetic number, because the mean of its divisors is an integer number (1006848).
Almost surely, 27680091 is an apocalyptic number.
7680091 is a deficient number, since it is larger than the sum of its proper divisors (374693).
7680091 is a wasteful number, since it uses less digits than its factorization.
7680091 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1721.
The product of its (nonzero) digits is 3024, while the sum is 31.
The square root of 7680091 is about 2771.2977104598. The cubic root of 7680091 is about 197.2977451979.
The spelling of 7680091 in words is "seven million, six hundred eighty thousand, ninety-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •