Base | Representation |
---|---|
bin | 1011111111001010001111 |
3 | 12220122102000 |
4 | 23333022033 |
5 | 1301023122 |
6 | 151203343 |
7 | 35465121 |
oct | 13771217 |
9 | 5818360 |
10 | 3142287 |
11 | 1856935 |
12 | 1076553 |
13 | 860355 |
14 | 5bb211 |
15 | 4210ac |
hex | 2ff28f |
3142287 has 8 divisors (see below), whose sum is σ = 4655280. Its totient is φ = 2094840.
The previous prime is 3142273. The next prime is 3142301. The reversal of 3142287 is 7822413.
It is an interprime number because it is at equal distance from previous prime (3142273) and next prime (3142301).
It is not a de Polignac number, because 3142287 - 216 = 3076751 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 116381 = 3142287 / (3 + 1 + 4 + 2 + 2 + 8 + 7).
3142287 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 3142287.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3142267) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58164 + ... + 58217.
It is an arithmetic number, because the mean of its divisors is an integer number (581910).
Almost surely, 23142287 is an apocalyptic number.
3142287 is a deficient number, since it is larger than the sum of its proper divisors (1512993).
3142287 is a wasteful number, since it uses less digits than its factorization.
3142287 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 116390 (or 116384 counting only the distinct ones).
The product of its digits is 2688, while the sum is 27.
The square root of 3142287 is about 1772.6497115900. The cubic root of 3142287 is about 146.4699779675.
It can be divided in two parts, 314 and 2287, that added together give a square (2601 = 512).
The spelling of 3142287 in words is "three million, one hundred forty-two thousand, two hundred eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.091 sec. • engine limits •