Base | Representation |
---|---|
bin | 1001100010101… |
… | …10110011001111 |
3 | 12120121211021020 |
4 | 10301112303033 |
5 | 130443003221 |
6 | 11535405223 |
7 | 1661251041 |
oct | 461266317 |
9 | 176554236 |
10 | 80047311 |
11 | 41203803 |
12 | 22983813 |
13 | 13778a96 |
14 | a8b9a91 |
15 | 7062ac6 |
hex | 4c56ccf |
80047311 has 16 divisors (see below), whose sum is σ = 109501920. Its totient is φ = 51995520.
The previous prime is 80047283. The next prime is 80047321. The reversal of 80047311 is 11374008.
It is not a de Polignac number, because 80047311 - 210 = 80046287 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80047321) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17941 + ... + 21953.
It is an arithmetic number, because the mean of its divisors is an integer number (6843870).
Almost surely, 280047311 is an apocalyptic number.
80047311 is a deficient number, since it is larger than the sum of its proper divisors (29454609).
80047311 is a wasteful number, since it uses less digits than its factorization.
80047311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4186.
The product of its (nonzero) digits is 672, while the sum is 24.
The square root of 80047311 is about 8946.9162843965. The cubic root of 80047311 is about 430.9718616507.
The spelling of 80047311 in words is "eighty million, forty-seven thousand, three hundred eleven".
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