Base | Representation |
---|---|
bin | 1001101000011… |
… | …10110010100001 |
3 | 12122001010001000 |
4 | 10310032302201 |
5 | 131141112204 |
6 | 12003502213 |
7 | 2000540136 |
oct | 464166241 |
9 | 178033030 |
10 | 80800929 |
11 | 41678a30 |
12 | 23087969 |
13 | 13980b01 |
14 | aa3458d |
15 | 7161039 |
hex | 4d0eca1 |
80800929 has 32 divisors (see below), whose sum is σ = 131345280. Its totient is φ = 48686400.
The previous prime is 80800927. The next prime is 80800957. The reversal of 80800929 is 92900808.
It is not a de Polignac number, because 80800929 - 21 = 80800927 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 80800893 and 80800902.
It is not an unprimeable number, because it can be changed into a prime (80800921) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57819 + ... + 59199.
It is an arithmetic number, because the mean of its divisors is an integer number (4104540).
Almost surely, 280800929 is an apocalyptic number.
It is an amenable number.
80800929 is a deficient number, since it is larger than the sum of its proper divisors (50544351).
80800929 is a wasteful number, since it uses less digits than its factorization.
80800929 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1598 (or 1592 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 36.
The square root of 80800929 is about 8988.9336964959. The cubic root of 80800929 is about 432.3201234468.
The spelling of 80800929 in words is "eighty million, eight hundred thousand, nine hundred twenty-nine".
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