Base | Representation |
---|---|
bin | 1001100100111… |
… | …11101011010110 |
3 | 12121011222201220 |
4 | 10302133223112 |
5 | 131032031224 |
6 | 11550031210 |
7 | 1663633233 |
oct | 462375326 |
9 | 177158656 |
10 | 80345814 |
11 | 41397aaa |
12 | 22aa8506 |
13 | 13851903 |
14 | a95678a |
15 | 70c1279 |
hex | 4c9fad6 |
80345814 has 16 divisors (see below), whose sum is σ = 164611440. Its totient is φ = 26128640.
The previous prime is 80345777. The next prime is 80345819. The reversal of 80345814 is 41854308.
It is a super-3 number, since 3×803458143 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80345819) 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, 163059 + ... + 163550.
It is an arithmetic number, because the mean of its divisors is an integer number (10288215).
Almost surely, 280345814 is an apocalyptic number.
80345814 is an abundant number, since it is smaller than the sum of its proper divisors (84265626).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80345814 is a wasteful number, since it uses less digits than its factorization.
80345814 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 326655.
The product of its (nonzero) digits is 15360, while the sum is 33.
The square root of 80345814 is about 8963.5826542739. The cubic root of 80345814 is about 431.5069069528.
The spelling of 80345814 in words is "eighty million, three hundred forty-five thousand, eight hundred fourteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •