Base | Representation |
---|---|
bin | 1010111100010000001101 |
3 | 12101201111000 |
4 | 22330100031 |
5 | 1213240422 |
6 | 141250513 |
7 | 33244131 |
oct | 12742015 |
9 | 5351430 |
10 | 2868237 |
11 | 1689a49 |
12 | b63a39 |
13 | 7956a8 |
14 | 5493c1 |
15 | 3b9cac |
hex | 2bc40d |
2868237 has 16 divisors (see below), whose sum is σ = 4354560. Its totient is φ = 1864800.
The previous prime is 2868211. The next prime is 2868251. The reversal of 2868237 is 7328682.
It is a happy number.
It is not a de Polignac number, because 2868237 - 27 = 2868109 is a prime.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2868137) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189 + ... + 2402.
It is an arithmetic number, because the mean of its divisors is an integer number (272160).
22868237 is an apocalyptic number.
2868237 is a gapful number since it is divisible by the number (27) formed by its first and last digit.
It is an amenable number.
2868237 is a deficient number, since it is larger than the sum of its proper divisors (1486323).
2868237 is a wasteful number, since it uses less digits than its factorization.
2868237 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2641 (or 2635 counting only the distinct ones).
The product of its digits is 32256, while the sum is 36.
The square root of 2868237 is about 1693.5870216791. The cubic root of 2868237 is about 142.0817653805.
It can be divided in two parts, 28 and 68237, that added together give a triangular number (68265 = T369).
The spelling of 2868237 in words is "two million, eight hundred sixty-eight thousand, two hundred thirty-seven".
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