Base | Representation |
---|---|
bin | 111111010000011010111 |
3 | 10220022100001 |
4 | 13322003113 |
5 | 1012312131 |
6 | 112232131 |
7 | 23422060 |
oct | 7720327 |
9 | 3808301 |
10 | 2072791 |
11 | 1196356 |
12 | 83b647 |
13 | 577606 |
14 | 3bd567 |
15 | 2ae261 |
hex | 1fa0d7 |
2072791 has 8 divisors (see below), whose sum is σ = 2379680. Its totient is φ = 1768608.
The previous prime is 2072789. The next prime is 2072801. The reversal of 2072791 is 1972702.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2072791 - 21 = 2072789 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2072701) 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, 1405 + ... + 2473.
It is an arithmetic number, because the mean of its divisors is an integer number (297460).
22072791 is an apocalyptic number.
2072791 is a deficient number, since it is larger than the sum of its proper divisors (306889).
2072791 is a wasteful number, since it uses less digits than its factorization.
2072791 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1353.
The product of its (nonzero) digits is 1764, while the sum is 28.
The square root of 2072791 is about 1439.7190698188. The cubic root of 2072791 is about 127.5024426035.
The spelling of 2072791 in words is "two million, seventy-two thousand, seven hundred ninety-one".
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