Base | Representation |
---|---|
bin | 1001100111001… |
… | …00100101110010 |
3 | 12121201022221021 |
4 | 10303210211302 |
5 | 131120044312 |
6 | 12000050054 |
7 | 1666220203 |
oct | 463444562 |
9 | 177638837 |
10 | 80628082 |
11 | 41570087 |
12 | 2300392a |
13 | 13920232 |
14 | a9cb5aa |
15 | 7129c07 |
hex | 4ce4972 |
80628082 has 4 divisors (see below), whose sum is σ = 120942126. Its totient is φ = 40314040.
The previous prime is 80628073. The next prime is 80628083. The reversal of 80628082 is 28082608.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 79548561 + 1079521 = 8919^2 + 1039^2 .
It is not an unprimeable number, because it can be changed into a prime (80628083) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20157019 + ... + 20157022.
Almost surely, 280628082 is an apocalyptic number.
80628082 is a deficient number, since it is larger than the sum of its proper divisors (40314044).
80628082 is a wasteful number, since it uses less digits than its factorization.
80628082 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40314043.
The product of its (nonzero) digits is 12288, while the sum is 34.
The square root of 80628082 is about 8979.3141163454. The cubic root of 80628082 is about 432.0116344889.
The spelling of 80628082 in words is "eighty million, six hundred twenty-eight thousand, eighty-two".
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