Base | Representation |
---|---|
bin | 1010010000101101010011 |
3 | 12001122211000 |
4 | 22100231103 |
5 | 1142034000 |
6 | 133353043 |
7 | 31602126 |
oct | 12205523 |
9 | 5048730 |
10 | 2689875 |
11 | 1577a41 |
12 | a98783 |
13 | 732456 |
14 | 5003bd |
15 | 382000 |
hex | 290b53 |
2689875 has 32 divisors (see below), whose sum is σ = 4979520. Its totient is φ = 1432800.
The previous prime is 2689867. The next prime is 2689877. The reversal of 2689875 is 5789862.
It is not a de Polignac number, because 2689875 - 23 = 2689867 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 2689875.
It is not an unprimeable number, because it can be changed into a prime (2689877) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2977 + ... + 3773.
It is an arithmetic number, because the mean of its divisors is an integer number (155610).
22689875 is an apocalyptic number.
2689875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
2689875 is a deficient number, since it is larger than the sum of its proper divisors (2289645).
2689875 is an equidigital number, since it uses as much as digits as its factorization.
2689875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 821 (or 805 counting only the distinct ones).
The product of its digits is 241920, while the sum is 45.
The square root of 2689875 is about 1640.0838393204. The cubic root of 2689875 is about 139.0733873982.
The spelling of 2689875 in words is "two million, six hundred eighty-nine thousand, eight hundred seventy-five".
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