Base | Representation |
---|---|
bin | 1100001100000… |
… | …10101100001100 |
3 | 21010101200202121 |
4 | 12012002230030 |
5 | 202133402210 |
6 | 14051302324 |
7 | 2351041510 |
oct | 606025414 |
9 | 233350677 |
10 | 102247180 |
11 | 52796902 |
12 | 2a2aa9a4 |
13 | 1824c5b9 |
14 | d818140 |
15 | 8e9a6da |
hex | 6182b0c |
102247180 has 48 divisors (see below), whose sum is σ = 259834176. Its totient is φ = 32993280.
The previous prime is 102247147. The next prime is 102247181. The reversal of 102247180 is 81742201.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (102247181) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19101 + ... + 23860.
It is an arithmetic number, because the mean of its divisors is an integer number (5413212).
Almost surely, 2102247180 is an apocalyptic number.
102247180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102247180 is an abundant number, since it is smaller than the sum of its proper divisors (157586996).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102247180 is a wasteful number, since it uses less digits than its factorization.
102247180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42994 (or 42992 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 25.
The square root of 102247180 is about 10111.7347670912. The cubic root of 102247180 is about 467.6099887053.
Adding to 102247180 its reverse (81742201), we get a palindrome (183989381).
The spelling of 102247180 in words is "one hundred two million, two hundred forty-seven thousand, one hundred eighty".
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