Base | Representation |
---|---|
bin | 1001101001111… |
… | …01110110001011 |
3 | 12122101220102202 |
4 | 10310331312023 |
5 | 131213244200 |
6 | 12011550415 |
7 | 2002302110 |
oct | 464756613 |
9 | 178356382 |
10 | 80993675 |
11 | 4179a824 |
12 | 2315b40b |
13 | 13a1a769 |
14 | aa84907 |
15 | 719d1d5 |
hex | 4d3dd8b |
80993675 has 24 divisors (see below), whose sum is σ = 120825600. Its totient is φ = 52613280.
The previous prime is 80993663. The next prime is 80993677. The reversal of 80993675 is 57639908.
It is not a de Polignac number, because 80993675 - 24 = 80993659 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80993677) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8855 + ... + 15504.
It is an arithmetic number, because the mean of its divisors is an integer number (5034400).
Almost surely, 280993675 is an apocalyptic number.
80993675 is a deficient number, since it is larger than the sum of its proper divisors (39831925).
80993675 is a wasteful number, since it uses less digits than its factorization.
80993675 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24395 (or 24390 counting only the distinct ones).
The product of its (nonzero) digits is 408240, while the sum is 47.
The square root of 80993675 is about 8999.6486042512. The cubic root of 80993675 is about 432.6636087885.
The spelling of 80993675 in words is "eighty million, nine hundred ninety-three thousand, six hundred seventy-five".
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