Base | Representation |
---|---|
bin | 1100000000000011111111 |
3 | 12220211110220 |
4 | 30000003333 |
5 | 1301132413 |
6 | 151232423 |
7 | 35511651 |
oct | 14000377 |
9 | 5824426 |
10 | 3145983 |
11 | 1859695 |
12 | 1078713 |
13 | 861c39 |
14 | 5bc6d1 |
15 | 422223 |
hex | 3000ff |
3145983 has 4 divisors (see below), whose sum is σ = 4194648. Its totient is φ = 2097320.
The previous prime is 3145981. The next prime is 3145997. The reversal of 3145983 is 3895413.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 3145983 - 21 = 3145981 is a prime.
It is a D-number.
3145983 is a lucky number.
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3145981) 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, 524328 + ... + 524333.
It is an arithmetic number, because the mean of its divisors is an integer number (1048662).
Almost surely, 23145983 is an apocalyptic number.
3145983 is a deficient number, since it is larger than the sum of its proper divisors (1048665).
3145983 is a wasteful number, since it uses less digits than its factorization.
3145983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1048664.
The product of its digits is 12960, while the sum is 33.
The square root of 3145983 is about 1773.6919123681. The cubic root of 3145983 is about 146.5273821159.
The spelling of 3145983 in words is "three million, one hundred forty-five thousand, nine hundred eighty-three".
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