Base | Representation |
---|---|
bin | 1001100110001… |
… | …00000111011111 |
3 | 12121110120110221 |
4 | 10303010013133 |
5 | 131101320241 |
6 | 11553142211 |
7 | 1665124336 |
oct | 463040737 |
9 | 177416427 |
10 | 80495071 |
11 | 4148a158 |
12 | 22b5a967 |
13 | 138a4827 |
14 | a994d1d |
15 | 71005d1 |
hex | 4cc41df |
80495071 has 8 divisors (see below), whose sum is σ = 81572400. Its totient is φ = 79421760.
The previous prime is 80495053. The next prime is 80495099. The reversal of 80495071 is 17059408.
It is a happy number.
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 80495071 - 29 = 80494559 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80495171) 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, 73236 + ... + 74326.
It is an arithmetic number, because the mean of its divisors is an integer number (10196550).
Almost surely, 280495071 is an apocalyptic number.
80495071 is a deficient number, since it is larger than the sum of its proper divisors (1077329).
80495071 is a wasteful number, since it uses less digits than its factorization.
80495071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2009.
The product of its (nonzero) digits is 10080, while the sum is 34.
The square root of 80495071 is about 8971.9045358274. The cubic root of 80495071 is about 431.7739425858.
The spelling of 80495071 in words is "eighty million, four hundred ninety-five thousand, seventy-one".
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