Base | Representation |
---|---|
bin | 1010111100100011110001 |
3 | 12101210012101 |
4 | 22330203301 |
5 | 1213310424 |
6 | 141300401 |
7 | 33250600 |
oct | 12744361 |
9 | 5353171 |
10 | 2869489 |
11 | 168a987 |
12 | b64701 |
13 | 79612c |
14 | 549a37 |
15 | 3ba344 |
hex | 2bc8f1 |
2869489 has 12 divisors (see below), whose sum is σ = 3368244. Its totient is φ = 2437344.
The previous prime is 2869459. The next prime is 2869499. The reversal of 2869489 is 9849682.
It can be written as a sum of positive squares in 2 ways, for example, as 1192464 + 1677025 = 1092^2 + 1295^2 .
It is not a de Polignac number, because 2869489 - 29 = 2868977 is a prime.
It is a super-2 number, since 2×28694892 = 16467934242242, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2869429) 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, 7507 + ... + 7879.
It is an arithmetic number, because the mean of its divisors is an integer number (280687).
22869489 is an apocalyptic number.
It is an amenable number.
2869489 is a deficient number, since it is larger than the sum of its proper divisors (498755).
2869489 is a wasteful number, since it uses less digits than its factorization.
2869489 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 544 (or 537 counting only the distinct ones).
The product of its digits is 248832, while the sum is 46.
The square root of 2869489 is about 1693.9566110146. The cubic root of 2869489 is about 142.1024355104.
The spelling of 2869489 in words is "two million, eight hundred sixty-nine thousand, four hundred eighty-nine".
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