Base | Representation |
---|---|
bin | 1001100011010… |
… | …11110001111111 |
3 | 12120210012011001 |
4 | 10301223301333 |
5 | 131003230442 |
6 | 11541311131 |
7 | 1662056425 |
oct | 461536177 |
9 | 176705131 |
10 | 80133247 |
11 | 41262327 |
12 | 22a054a7 |
13 | 137a8c2c |
14 | a8dd115 |
15 | 707d2b7 |
hex | 4c6bc7f |
80133247 has 4 divisors (see below), whose sum is σ = 80186400. Its totient is φ = 80080096.
The previous prime is 80133211. The next prime is 80133253. The reversal of 80133247 is 74233108.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 80133247 - 211 = 80131199 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 (80133847) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24247 + ... + 27352.
It is an arithmetic number, because the mean of its divisors is an integer number (20046600).
Almost surely, 280133247 is an apocalyptic number.
80133247 is a deficient number, since it is larger than the sum of its proper divisors (53153).
80133247 is a wasteful number, since it uses less digits than its factorization.
80133247 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53152.
The product of its (nonzero) digits is 4032, while the sum is 28.
The square root of 80133247 is about 8951.7175446950. The cubic root of 80133247 is about 431.1260319441.
The spelling of 80133247 in words is "eighty million, one hundred thirty-three thousand, two hundred forty-seven".
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