Base | Representation |
---|---|
bin | 1001101000101… |
… | …01100010011111 |
3 | 12122002111221221 |
4 | 10310111202133 |
5 | 131143003300 |
6 | 12004234211 |
7 | 2001013552 |
oct | 464254237 |
9 | 178074857 |
10 | 80828575 |
11 | 41697783 |
12 | 2309b967 |
13 | 13990579 |
14 | aa40699 |
15 | 716931a |
hex | 4d1589f |
80828575 has 12 divisors (see below), whose sum is σ = 100339560. Its totient is φ = 64590560.
The previous prime is 80828569. The next prime is 80828581. The reversal of 80828575 is 57582808.
It is an interprime number because it is at equal distance from previous prime (80828569) and next prime (80828581).
It is not a de Polignac number, because 80828575 - 23 = 80828567 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39477 + ... + 41473.
It is an arithmetic number, because the mean of its divisors is an integer number (8361630).
Almost surely, 280828575 is an apocalyptic number.
80828575 is a deficient number, since it is larger than the sum of its proper divisors (19510985).
80828575 is a wasteful number, since it uses less digits than its factorization.
80828575 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3626 (or 3621 counting only the distinct ones).
The product of its (nonzero) digits is 179200, while the sum is 43.
The square root of 80828575 is about 8990.4713447071. The cubic root of 80828575 is about 432.3694238670.
The spelling of 80828575 in words is "eighty million, eight hundred twenty-eight thousand, five hundred seventy-five".
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