Base | Representation |
---|---|
bin | 1010111101110110100101 |
3 | 12102001110200 |
4 | 22331312211 |
5 | 1213443124 |
6 | 141341113 |
7 | 33302211 |
oct | 12756645 |
9 | 5361420 |
10 | 2874789 |
11 | 1693965 |
12 | b67799 |
13 | 798678 |
14 | 54b941 |
15 | 3bbbc9 |
hex | 2bdda5 |
2874789 has 24 divisors (see below), whose sum is σ = 4357080. Its totient is φ = 1824768.
The previous prime is 2874749. The next prime is 2874791. The reversal of 2874789 is 9874782.
It can be written as a sum of positive squares in 4 ways, for example, as 497025 + 2377764 = 705^2 + 1542^2 .
It is not a de Polignac number, because 2874789 - 211 = 2872741 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2874709) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29589 + ... + 29685.
It is an arithmetic number, because the mean of its divisors is an integer number (181545).
22874789 is an apocalyptic number.
It is an amenable number.
2874789 is a deficient number, since it is larger than the sum of its proper divisors (1482291).
2874789 is a wasteful number, since it uses less digits than its factorization.
2874789 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 229 (or 226 counting only the distinct ones).
The product of its digits is 225792, while the sum is 45.
The square root of 2874789 is about 1695.5202741342. The cubic root of 2874789 is about 142.1898703224.
It can be divided in two parts, 2874 and 789, that added together give a palindrome (3663).
The spelling of 2874789 in words is "two million, eight hundred seventy-four thousand, seven hundred eighty-nine".
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