Base | Representation |
---|---|
bin | 1000001100001001000111 |
3 | 11001001222100 |
4 | 20030021013 |
5 | 1022200022 |
6 | 114003143 |
7 | 24151101 |
oct | 10141107 |
9 | 4031870 |
10 | 2146887 |
11 | 1236a96 |
12 | 8764b3 |
13 | 5a2262 |
14 | 3dc571 |
15 | 2c61ac |
hex | 20c247 |
2146887 has 12 divisors (see below), whose sum is σ = 3129984. Its totient is φ = 1417920.
The previous prime is 2146853. The next prime is 2146897. The reversal of 2146887 is 7886412.
It is not a de Polignac number, because 2146887 - 27 = 2146759 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2146817) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39 + ... + 2072.
It is an arithmetic number, because the mean of its divisors is an integer number (260832).
22146887 is an apocalyptic number.
2146887 is a deficient number, since it is larger than the sum of its proper divisors (983097).
2146887 is a wasteful number, since it uses less digits than its factorization.
2146887 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2230 (or 2227 counting only the distinct ones).
The product of its digits is 21504, while the sum is 36.
The square root of 2146887 is about 1465.2259211466. The cubic root of 2146887 is about 129.0039659859.
The spelling of 2146887 in words is "two million, one hundred forty-six thousand, eight hundred eighty-seven".
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