Base | Representation |
---|---|
bin | 1000001101000001010111 |
3 | 11001020220200 |
4 | 20031001113 |
5 | 1022303422 |
6 | 114031543 |
7 | 24164433 |
oct | 10150127 |
9 | 4036820 |
10 | 2150487 |
11 | 1239769 |
12 | 8785b3 |
13 | 5a3aa1 |
14 | 3dd9c3 |
15 | 2c72ac |
hex | 20d057 |
2150487 has 6 divisors (see below), whose sum is σ = 3106272. Its totient is φ = 1433652.
The previous prime is 2150471. The next prime is 2150509. The reversal of 2150487 is 7840512.
It is not a de Polignac number, because 2150487 - 24 = 2150471 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2150487.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2150417) 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, 119463 + ... + 119480.
It is an arithmetic number, because the mean of its divisors is an integer number (517712).
22150487 is an apocalyptic number.
2150487 is a deficient number, since it is larger than the sum of its proper divisors (955785).
2150487 is a wasteful number, since it uses less digits than its factorization.
2150487 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 238949 (or 238946 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 27.
The square root of 2150487 is about 1466.4538860803. The cubic root of 2150487 is about 129.0760323367.
Adding to 2150487 its reverse (7840512), we get a palindrome (9990999).
The spelling of 2150487 in words is "two million, one hundred fifty thousand, four hundred eighty-seven".
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