Base | Representation |
---|---|
bin | 1100100000111001100001 |
3 | 20011122222022 |
4 | 30200321201 |
5 | 1314433411 |
6 | 154151225 |
7 | 36612041 |
oct | 14407141 |
9 | 6148868 |
10 | 3280481 |
11 | 1940746 |
12 | 1122515 |
13 | 8ab219 |
14 | 615721 |
15 | 44bedb |
hex | 320e61 |
3280481 has 2 divisors, whose sum is σ = 3280482. Its totient is φ = 3280480.
The previous prime is 3280477. The next prime is 3280489. The reversal of 3280481 is 1840823.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1934881 + 1345600 = 1391^2 + 1160^2 .
It is a cyclic number.
It is not a de Polignac number, because 3280481 - 22 = 3280477 is a prime.
It is a super-2 number, since 2×32804812 = 21523111182722, which contains 22 as substring.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 3280481.
It is not a weakly prime, because it can be changed into another prime (3280489) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1640240 + 1640241.
It is an arithmetic number, because the mean of its divisors is an integer number (1640241).
Almost surely, 23280481 is an apocalyptic number.
It is an amenable number.
3280481 is a deficient number, since it is larger than the sum of its proper divisors (1).
3280481 is an equidigital number, since it uses as much as digits as its factorization.
3280481 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1536, while the sum is 26.
The square root of 3280481 is about 1811.2098166695. The cubic root of 3280481 is about 148.5864393382.
The spelling of 3280481 in words is "three million, two hundred eighty thousand, four hundred eighty-one".
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