Base | Representation |
---|---|
bin | 1011110110000100111001 |
3 | 12211202101000 |
4 | 23312010321 |
5 | 1243330311 |
6 | 150315213 |
7 | 35251500 |
oct | 13660471 |
9 | 5752330 |
10 | 3105081 |
11 | 1830991 |
12 | 1058b09 |
13 | 849435 |
14 | 5ab837 |
15 | 415056 |
hex | 2f6139 |
3105081 has 24 divisors (see below), whose sum is σ = 5353440. Its totient is φ = 1773576.
The previous prime is 3105079. The next prime is 3105097. The reversal of 3105081 is 1805013.
It is a happy number.
It is not a de Polignac number, because 3105081 - 21 = 3105079 is a prime.
It is a super-2 number, since 2×31050812 = 19283056033122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (3105041) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150 + ... + 2496.
It is an arithmetic number, because the mean of its divisors is an integer number (223060).
Almost surely, 23105081 is an apocalyptic number.
It is an amenable number.
3105081 is a deficient number, since it is larger than the sum of its proper divisors (2248359).
3105081 is a wasteful number, since it uses less digits than its factorization.
3105081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2370 (or 2357 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
The square root of 3105081 is about 1762.1240024470. The cubic root of 3105081 is about 145.8895925159.
The spelling of 3105081 in words is "three million, one hundred five thousand, eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •