Base | Representation |
---|---|
bin | 1001100011110… |
… | …10111101001001 |
3 | 12120220100102001 |
4 | 10301322331021 |
5 | 131012223101 |
6 | 11542511001 |
7 | 1662435556 |
oct | 461727511 |
9 | 176810361 |
10 | 80195401 |
11 | 412a4aa0 |
12 | 22a35461 |
13 | 137cb300 |
14 | a917a2d |
15 | 7091901 |
hex | 4c7af49 |
80195401 has 24 divisors (see below), whose sum is σ = 95657760. Its totient is φ = 66643200.
The previous prime is 80195369. The next prime is 80195417. The reversal of 80195401 is 10459108.
It is a happy number.
It is not a de Polignac number, because 80195401 - 25 = 80195369 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 80195401.
It is not an unprimeable number, because it can be changed into a prime (80195471) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 332641 + ... + 332881.
It is an arithmetic number, because the mean of its divisors is an integer number (3985740).
Almost surely, 280195401 is an apocalyptic number.
It is an amenable number.
80195401 is a deficient number, since it is larger than the sum of its proper divisors (15462359).
80195401 is a wasteful number, since it uses less digits than its factorization.
80195401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 457 (or 444 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 28.
The square root of 80195401 is about 8955.1884960619. The cubic root of 80195401 is about 431.2374683469.
The spelling of 80195401 in words is "eighty million, one hundred ninety-five thousand, four hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •