Base | Representation |
---|---|
bin | 1010011100111100111001 |
3 | 12011012121102 |
4 | 22130330321 |
5 | 1200140100 |
6 | 134421145 |
7 | 32201261 |
oct | 12347471 |
9 | 5135542 |
10 | 2740025 |
11 | 1601692 |
12 | b017b5 |
13 | 74c222 |
14 | 5147a1 |
15 | 391cd5 |
hex | 29cf39 |
2740025 has 12 divisors (see below), whose sum is σ = 3428352. Its totient is φ = 2172240.
The previous prime is 2739991. The next prime is 2740027. The reversal of 2740025 is 5200472.
It is not a de Polignac number, because 2740025 - 28 = 2739769 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2739979 and 2740006.
It is not an unprimeable number, because it can be changed into a prime (2740027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2744 + ... + 3606.
It is an arithmetic number, because the mean of its divisors is an integer number (285696).
22740025 is an apocalyptic number.
2740025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2740025 is a deficient number, since it is larger than the sum of its proper divisors (688327).
2740025 is a wasteful number, since it uses less digits than its factorization.
2740025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1000 (or 995 counting only the distinct ones).
The product of its (nonzero) digits is 560, while the sum is 20.
The square root of 2740025 is about 1655.3020872336. The cubic root of 2740025 is about 139.9323652898.
Adding to 2740025 its reverse (5200472), we get a palindrome (7940497).
The spelling of 2740025 in words is "two million, seven hundred forty thousand, twenty-five".
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