Base | Representation |
---|---|
bin | 1001101000011… |
… | …11000010011110 |
3 | 12122001011102211 |
4 | 10310033002132 |
5 | 131141130300 |
6 | 12003511034 |
7 | 2000543125 |
oct | 464170236 |
9 | 178034384 |
10 | 80801950 |
11 | 41679779 |
12 | 2308847a |
13 | 13981408 |
14 | aa34abc |
15 | 71614ba |
hex | 4d0f09e |
80801950 has 12 divisors (see below), whose sum is σ = 150291720. Its totient is φ = 32320760.
The previous prime is 80801947. The next prime is 80801953. The reversal of 80801950 is 5910808.
It is an interprime number because it is at equal distance from previous prime (80801947) and next prime (80801953).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80801953) 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 5 ways as a sum of consecutive naturals, for example, 807970 + ... + 808069.
It is an arithmetic number, because the mean of its divisors is an integer number (12524310).
Almost surely, 280801950 is an apocalyptic number.
80801950 is a deficient number, since it is larger than the sum of its proper divisors (69489770).
80801950 is a wasteful number, since it uses less digits than its factorization.
80801950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1616051 (or 1616046 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 31.
The square root of 80801950 is about 8988.9904883696. The cubic root of 80801950 is about 432.3219443705.
The spelling of 80801950 in words is "eighty million, eight hundred one thousand, nine hundred fifty".
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