Base | Representation |
---|---|
bin | 1001100111111… |
… | …11101110110101 |
3 | 12121220222102201 |
4 | 10303333232311 |
5 | 131132124003 |
6 | 12002304501 |
7 | 2000162260 |
oct | 463775665 |
9 | 177828381 |
10 | 80739253 |
11 | 41636661 |
12 | 23058131 |
13 | 1395ba0a |
14 | aa19cd7 |
15 | 714cb1d |
hex | 4cffbb5 |
80739253 has 4 divisors (see below), whose sum is σ = 92273440. Its totient is φ = 69205068.
The previous prime is 80739229. The next prime is 80739257. The reversal of 80739253 is 35293708.
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 a cyclic number.
It is not a de Polignac number, because 80739253 - 221 = 78642101 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80739257) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5767083 + ... + 5767096.
It is an arithmetic number, because the mean of its divisors is an integer number (23068360).
Almost surely, 280739253 is an apocalyptic number.
It is an amenable number.
80739253 is a deficient number, since it is larger than the sum of its proper divisors (11534187).
80739253 is a wasteful number, since it uses less digits than its factorization.
80739253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11534186.
The product of its (nonzero) digits is 45360, while the sum is 37.
The square root of 80739253 is about 8985.5023788322. The cubic root of 80739253 is about 432.2100976365.
The spelling of 80739253 in words is "eighty million, seven hundred thirty-nine thousand, two hundred fifty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •