Base | Representation |
---|---|
bin | 1001101000011… |
… | …10010010000010 |
3 | 12122001000012000 |
4 | 10310032102002 |
5 | 131141030400 |
6 | 12003444430 |
7 | 2000531106 |
oct | 464162202 |
9 | 178030160 |
10 | 80798850 |
11 | 41677410 |
12 | 23086716 |
13 | 1397cb92 |
14 | aa33906 |
15 | 7160600 |
hex | 4d0e482 |
80798850 has 96 divisors (see below), whose sum is σ = 242930880. Its totient is φ = 19584000.
The previous prime is 80798827. The next prime is 80798857. The reversal of 80798850 is 5889708.
It is a super-2 number, since 2×807988502 = 13056908322645000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a junction number, because it is equal to n+sod(n) for n = 80798796 and 80798805.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80798857) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12130 + ... + 17570.
It is an arithmetic number, because the mean of its divisors is an integer number (2530530).
Almost surely, 280798850 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80798850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121465440).
80798850 is an abundant number, since it is smaller than the sum of its proper divisors (162132030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80798850 is a wasteful number, since it uses less digits than its factorization.
80798850 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5473 (or 5462 counting only the distinct ones).
The product of its (nonzero) digits is 161280, while the sum is 45.
The square root of 80798850 is about 8988.8180535597. The cubic root of 80798850 is about 432.3164155635.
The spelling of 80798850 in words is "eighty million, seven hundred ninety-eight thousand, eight hundred fifty".
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