Base | Representation |
---|---|
bin | 1001101000110… |
… | …10010101110000 |
3 | 12122010111221021 |
4 | 10310122111300 |
5 | 131144120430 |
6 | 12004505224 |
7 | 2001125104 |
oct | 464322560 |
9 | 178114837 |
10 | 80848240 |
11 | 41700530 |
12 | 230ab214 |
13 | 139994c5 |
14 | aa47904 |
15 | 717007a |
hex | 4d1a570 |
80848240 has 40 divisors (see below), whose sum is σ = 205062768. Its totient is φ = 29399040.
The previous prime is 80848189. The next prime is 80848247. The reversal of 80848240 is 4284808.
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-2 number, since 2×808482402 = 13072875822195200, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 80848196 and 80848205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80848247) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45057 + ... + 46816.
Almost surely, 280848240 is an apocalyptic number.
80848240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
80848240 is an abundant number, since it is smaller than the sum of its proper divisors (124214528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80848240 is a wasteful number, since it uses less digits than its factorization.
80848240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91897 (or 91891 counting only the distinct ones).
The product of its (nonzero) digits is 16384, while the sum is 34.
The square root of 80848240 is about 8991.5649360943. The cubic root of 80848240 is about 432.4044851280.
The spelling of 80848240 in words is "eighty million, eight hundred forty-eight thousand, two hundred forty".
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