Base | Representation |
---|---|
bin | 1001100100100… |
… | …11000010011111 |
3 | 12121002100201121 |
4 | 10302103002133 |
5 | 131023402142 |
6 | 11544551411 |
7 | 1663326301 |
oct | 462230237 |
9 | 177070647 |
10 | 80294047 |
11 | 41362119 |
12 | 22a82567 |
13 | 13834192 |
14 | a941971 |
15 | 70b0c67 |
hex | 4c9309f |
80294047 has 2 divisors, whose sum is σ = 80294048. Its totient is φ = 80294046.
The previous prime is 80294021. The next prime is 80294051. The reversal of 80294047 is 74049208.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 80294047 - 219 = 79769759 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80291047) 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, 40147023 + 40147024.
It is an arithmetic number, because the mean of its divisors is an integer number (40147024).
Almost surely, 280294047 is an apocalyptic number.
80294047 is a deficient number, since it is larger than the sum of its proper divisors (1).
80294047 is an equidigital number, since it uses as much as digits as its factorization.
80294047 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 16128, while the sum is 34.
The square root of 80294047 is about 8960.6945601332. The cubic root of 80294047 is about 431.4142133985.
It can be divided in two parts, 802 and 94047, that added together give a palindrome (94849).
The spelling of 80294047 in words is "eighty million, two hundred ninety-four thousand, forty-seven".
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