Base | Representation |
---|---|
bin | 1011001001101001001001 |
3 | 12111111201021 |
4 | 23021221021 |
5 | 1222014311 |
6 | 142352441 |
7 | 33563050 |
oct | 13115111 |
9 | 5444637 |
10 | 2923081 |
11 | 1717177 |
12 | b8b721 |
13 | 7b4645 |
14 | 561397 |
15 | 3cb171 |
hex | 2c9a49 |
2923081 has 4 divisors (see below), whose sum is σ = 3340672. Its totient is φ = 2505492.
The previous prime is 2923069. The next prime is 2923087. The reversal of 2923081 is 1803292.
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 2923081 - 25 = 2923049 is a prime.
It is a super-2 number, since 2×29230812 = 17088805065122, which contains 22 as substring.
It is a Duffinian number.
2923081 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (2923087) 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, 208785 + ... + 208798.
It is an arithmetic number, because the mean of its divisors is an integer number (835168).
22923081 is an apocalyptic number.
It is an amenable number.
2923081 is a deficient number, since it is larger than the sum of its proper divisors (417591).
2923081 is an equidigital number, since it uses as much as digits as its factorization.
2923081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 417590.
The product of its (nonzero) digits is 864, while the sum is 25.
The square root of 2923081 is about 1709.7020208212. The cubic root of 2923081 is about 142.9816430378.
The spelling of 2923081 in words is "two million, nine hundred twenty-three thousand, eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •