Base | Representation |
---|---|
bin | 1010111101000010000101 |
3 | 12101212212020 |
4 | 22331002011 |
5 | 1213341204 |
6 | 141313353 |
7 | 33256341 |
oct | 12750205 |
9 | 5355766 |
10 | 2871429 |
11 | 1691390 |
12 | b65859 |
13 | 796c92 |
14 | 54a621 |
15 | 3babd9 |
hex | 2bd085 |
2871429 has 8 divisors (see below), whose sum is σ = 4176672. Its totient is φ = 1740240.
The previous prime is 2871409. The next prime is 2871433. The reversal of 2871429 is 9241782.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2871429 - 28 = 2871173 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 87013 = 2871429 / (2 + 8 + 7 + 1 + 4 + 2 + 9).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 2871429.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2871409) 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, 43474 + ... + 43539.
It is an arithmetic number, because the mean of its divisors is an integer number (522084).
22871429 is an apocalyptic number.
It is an amenable number.
2871429 is a deficient number, since it is larger than the sum of its proper divisors (1305243).
2871429 is a wasteful number, since it uses less digits than its factorization.
2871429 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87027.
The product of its digits is 8064, while the sum is 33.
The square root of 2871429 is about 1694.5291381384. The cubic root of 2871429 is about 142.1344524329.
The spelling of 2871429 in words is "two million, eight hundred seventy-one thousand, four hundred twenty-nine".
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