Base | Representation |
---|---|
bin | 1111110111111100000111 |
3 | 21211102012202 |
4 | 33313330013 |
5 | 2031130122 |
6 | 225105115 |
7 | 50241014 |
oct | 17677407 |
9 | 7742182 |
10 | 4161287 |
11 | 2392489 |
12 | 148819b |
13 | b29100 |
14 | 7a470b |
15 | 572e92 |
hex | 3f7f07 |
4161287 has 6 divisors (see below), whose sum is σ = 4506192. Its totient is φ = 3841032.
The previous prime is 4161271. The next prime is 4161299. The reversal of 4161287 is 7821614.
It is not a de Polignac number, because 4161287 - 24 = 4161271 is a prime.
It is a Duffinian number.
4161287 is a modest number, since divided by 1287 gives 416 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4161257) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12143 + ... + 12480.
It is an arithmetic number, because the mean of its divisors is an integer number (751032).
Almost surely, 24161287 is an apocalyptic number.
4161287 is a deficient number, since it is larger than the sum of its proper divisors (344905).
4161287 is a wasteful number, since it uses less digits than its factorization.
4161287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24649 (or 24636 counting only the distinct ones).
The product of its digits is 2688, while the sum is 29.
The square root of 4161287 is about 2039.9232828712. The cubic root of 4161287 is about 160.8456141272.
The spelling of 4161287 in words is "four million, one hundred sixty-one thousand, two hundred eighty-seven".
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