Base | Representation |
---|---|
bin | 110101100100… |
… | …0000100101111 |
3 | 1221211201220211 |
4 | 1223020010233 |
5 | 24142114404 |
6 | 2441523251 |
7 | 460461055 |
oct | 153100457 |
9 | 57751824 |
10 | 28082479 |
11 | 14940867 |
12 | 94a3527 |
13 | 5a83269 |
14 | 3a301d5 |
15 | 26eab04 |
hex | 1ac812f |
28082479 has 2 divisors, whose sum is σ = 28082480. Its totient is φ = 28082478.
The previous prime is 28082459. The next prime is 28082489. The reversal of 28082479 is 97428082.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 28082479 - 211 = 28080431 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28082459) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14041239 + 14041240.
It is an arithmetic number, because the mean of its divisors is an integer number (14041240).
Almost surely, 228082479 is an apocalyptic number.
28082479 is a deficient number, since it is larger than the sum of its proper divisors (1).
28082479 is an equidigital number, since it uses as much as digits as its factorization.
28082479 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 64512, while the sum is 40.
The square root of 28082479 is about 5299.2904241983. The cubic root of 28082479 is about 303.9567654062.
It can be divided in two parts, 28082 and 479, that added together give a 4-th power (28561 = 134).
The spelling of 28082479 in words is "twenty-eight million, eighty-two thousand, four hundred seventy-nine".
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