Base | Representation |
---|---|
bin | 1010001011110111001001 |
3 | 12000122120211 |
4 | 22023313021 |
5 | 1140420100 |
6 | 133121121 |
7 | 31460221 |
oct | 12136711 |
9 | 5018524 |
10 | 2670025 |
11 | 1564036 |
12 | a891a1 |
13 | 7263c7 |
14 | 4d7081 |
15 | 37b1ba |
hex | 28bdc9 |
2670025 has 6 divisors (see below), whose sum is σ = 3310862. Its totient is φ = 2136000.
The previous prime is 2670011. The next prime is 2670029. The reversal of 2670025 is 5200762.
It can be written as a sum of positive squares in 3 ways, for example, as 16384 + 2653641 = 128^2 + 1629^2 .
It is not a de Polignac number, because 2670025 - 27 = 2669897 is a prime.
It is an Ulam number.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2669978 and 2670005.
It is not an unprimeable number, because it can be changed into a prime (2670029) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53376 + ... + 53425.
22670025 is an apocalyptic number.
2670025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2670025 is a deficient number, since it is larger than the sum of its proper divisors (640837).
2670025 is a wasteful number, since it uses less digits than its factorization.
2670025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106811 (or 106806 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 22.
The square root of 2670025 is about 1634.0211136947. The cubic root of 2670025 is about 138.7304439067.
Adding to 2670025 its reverse (5200762), we get a palindrome (7870787).
The spelling of 2670025 in words is "two million, six hundred seventy thousand, twenty-five".
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