Base | Representation |
---|---|
bin | 1001101001101… |
… | …00000110011011 |
3 | 12122022212200020 |
4 | 10310310012123 |
5 | 131211010010 |
6 | 12011041523 |
7 | 2002044531 |
oct | 464640633 |
9 | 178285606 |
10 | 80953755 |
11 | 41772833 |
12 | 231402a3 |
13 | 13a0553c |
14 | aa74151 |
15 | 7191470 |
hex | 4d3419b |
80953755 has 32 divisors (see below), whose sum is σ = 132844800. Its totient is φ = 42083712.
The previous prime is 80953709. The next prime is 80953759. The reversal of 80953755 is 55735908.
It is not a de Polignac number, because 80953755 - 27 = 80953627 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80953759) 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 in 31 ways as a sum of consecutive naturals, for example, 109176 + ... + 109914.
It is an arithmetic number, because the mean of its divisors is an integer number (4151400).
Almost surely, 280953755 is an apocalyptic number.
80953755 is a deficient number, since it is larger than the sum of its proper divisors (51891045).
80953755 is a wasteful number, since it uses less digits than its factorization.
80953755 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 923.
The product of its (nonzero) digits is 189000, while the sum is 42.
The square root of 80953755 is about 8997.4304665277. The cubic root of 80953755 is about 432.5925136498.
The spelling of 80953755 in words is "eighty million, nine hundred fifty-three thousand, seven hundred fifty-five".
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