Base | Representation |
---|---|
bin | 1001100011101… |
… | …00110011101000 |
3 | 12120212001212021 |
4 | 10301310303220 |
5 | 131010421331 |
6 | 11542154224 |
7 | 1662302260 |
oct | 461646350 |
9 | 176761767 |
10 | 80170216 |
11 | 41288085 |
12 | 22a22974 |
13 | 137bc9c9 |
14 | a90c7a0 |
15 | 7089211 |
hex | 4c74ce8 |
80170216 has 32 divisors (see below), whose sum is σ = 177338880. Its totient is φ = 33249600.
The previous prime is 80170213. The next prime is 80170217. The reversal of 80170216 is 61207108.
It is a super-3 number, since 3×801702163 (a number of 25 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (80170213) 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 7 ways as a sum of consecutive naturals, for example, 21355 + ... + 24826.
It is an arithmetic number, because the mean of its divisors is an integer number (5541840).
Almost surely, 280170216 is an apocalyptic number.
It is an amenable number.
80170216 is an abundant number, since it is smaller than the sum of its proper divisors (97168664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80170216 is a wasteful number, since it uses less digits than its factorization.
80170216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46225 (or 46221 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 25.
The square root of 80170216 is about 8953.7822175883. The cubic root of 80170216 is about 431.1923209003.
It can be divided in two parts, 801 and 70216, that added together give a palindrome (71017).
The spelling of 80170216 in words is "eighty million, one hundred seventy thousand, two hundred sixteen".
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