Base | Representation |
---|---|
bin | 1001100010101… |
… | …01000000000001 |
3 | 12120121110011010 |
4 | 10301111000001 |
5 | 130442234222 |
6 | 11535311133 |
7 | 1661220405 |
oct | 461250001 |
9 | 176543133 |
10 | 80039937 |
11 | 411a920a |
12 | 2297b4a9 |
13 | 13775613 |
14 | a8b7105 |
15 | 706080c |
hex | 4c55001 |
80039937 has 4 divisors (see below), whose sum is σ = 106719920. Its totient is φ = 53359956.
The previous prime is 80039929. The next prime is 80039957. The reversal of 80039937 is 73993008.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 80039937 - 23 = 80039929 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 80039895 and 80039904.
It is not an unprimeable number, because it can be changed into a prime (80039957) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13339987 + ... + 13339992.
It is an arithmetic number, because the mean of its divisors is an integer number (26679980).
Almost surely, 280039937 is an apocalyptic number.
It is an amenable number.
80039937 is a deficient number, since it is larger than the sum of its proper divisors (26679983).
80039937 is a wasteful number, since it uses less digits than its factorization.
80039937 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26679982.
The product of its (nonzero) digits is 40824, while the sum is 39.
The square root of 80039937 is about 8946.5041776104. The cubic root of 80039937 is about 430.9586274601.
The spelling of 80039937 in words is "eighty million, thirty-nine thousand, nine hundred thirty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •