Base | Representation |
---|---|
bin | 1010101001101010111001 |
3 | 12020212001220 |
4 | 22221222321 |
5 | 1203321441 |
6 | 135502253 |
7 | 32506203 |
oct | 12515271 |
9 | 5225056 |
10 | 2792121 |
11 | 1637842 |
12 | b27989 |
13 | 769b57 |
14 | 529773 |
15 | 3a2466 |
hex | 2a9ab9 |
2792121 has 4 divisors (see below), whose sum is σ = 3722832. Its totient is φ = 1861412.
The previous prime is 2792099. The next prime is 2792123. The reversal of 2792121 is 1212972.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2792121 - 25 = 2792089 is a prime.
It is a D-number.
2792121 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 2792091 and 2792100.
It is not an unprimeable number, because it can be changed into a prime (2792123) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465351 + ... + 465356.
It is an arithmetic number, because the mean of its divisors is an integer number (930708).
22792121 is an apocalyptic number.
It is an amenable number.
2792121 is a deficient number, since it is larger than the sum of its proper divisors (930711).
2792121 is an equidigital number, since it uses as much as digits as its factorization.
2792121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 930710.
The product of its digits is 504, while the sum is 24.
The square root of 2792121 is about 1670.9640929715. The cubic root of 2792121 is about 140.8136464745.
The spelling of 2792121 in words is "two million, seven hundred ninety-two thousand, one hundred twenty-one".
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