Base | Representation |
---|---|
bin | 1011001111111111011001 |
3 | 12112211101020 |
4 | 23033333121 |
5 | 1223332311 |
6 | 143113053 |
7 | 34031622 |
oct | 13177731 |
9 | 5484336 |
10 | 2949081 |
11 | 1734763 |
12 | ba2789 |
13 | 7c3425 |
14 | 56aa49 |
15 | 3d3c06 |
hex | 2cffd9 |
2949081 has 8 divisors (see below), whose sum is σ = 3949920. Its totient is φ = 1957152.
The previous prime is 2949077. The next prime is 2949101. The reversal of 2949081 is 1809492.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2949081 - 22 = 2949077 is a prime.
It is a super-2 number, since 2×29490812 = 17394157489122, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2949281) 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, 1411 + ... + 2808.
It is an arithmetic number, because the mean of its divisors is an integer number (493740).
22949081 is an apocalyptic number.
It is an amenable number.
2949081 is a deficient number, since it is larger than the sum of its proper divisors (1000839).
2949081 is a wasteful number, since it uses less digits than its factorization.
2949081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4455.
The product of its (nonzero) digits is 5184, while the sum is 33.
The square root of 2949081 is about 1717.2888516496. The cubic root of 2949081 is about 143.4043197444.
The spelling of 2949081 in words is "two million, nine hundred forty-nine thousand, eighty-one".
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