Base | Representation |
---|---|
bin | 1001010100011010000111 |
3 | 11121010000022 |
4 | 21110122013 |
5 | 1111133022 |
6 | 124205355 |
7 | 26523056 |
oct | 11243207 |
9 | 4533008 |
10 | 2442887 |
11 | 1419417 |
12 | 99985b |
13 | 676bc5 |
14 | 47839d |
15 | 333c42 |
hex | 254687 |
2442887 has 12 divisors (see below), whose sum is σ = 2642616. Its totient is φ = 2257200.
The previous prime is 2442871. The next prime is 2442889. The reversal of 2442887 is 7882442.
It is not a de Polignac number, because 2442887 - 24 = 2442871 is a prime.
It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.
It is an Ulam number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2442889) 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, 24137 + ... + 24237.
It is an arithmetic number, because the mean of its divisors is an integer number (220218).
22442887 is an apocalyptic number.
2442887 is a deficient number, since it is larger than the sum of its proper divisors (199729).
2442887 is a wasteful number, since it uses less digits than its factorization.
2442887 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 206 (or 187 counting only the distinct ones).
The product of its digits is 28672, while the sum is 35.
The square root of 2442887 is about 1562.9737681740. The cubic root of 2442887 is about 134.6793854874.
The spelling of 2442887 in words is "two million, four hundred forty-two thousand, eight hundred eighty-seven".
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