Base | Representation |
---|---|
bin | 1001000001000001… |
… | …0110010111100001 |
3 | 20020200001011011011 |
4 | 2100100112113201 |
5 | 14424033030100 |
6 | 1040053220521 |
7 | 113655255220 |
oct | 22020262741 |
9 | 6220034134 |
10 | 2420205025 |
11 | 1032162947 |
12 | 576631741 |
13 | 2c75414a4 |
14 | 18d5dccb7 |
15 | e2717bba |
hex | 904165e1 |
2420205025 has 24 divisors (see below), whose sum is σ = 3434405184. Its totient is φ = 1657329600.
The previous prime is 2420205019. The next prime is 2420205037. The reversal of 2420205025 is 5205020242.
It is a happy number.
It is not a de Polignac number, because 2420205025 - 25 = 2420204993 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2420204987 and 2420205005.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126330 + ... + 144220.
It is an arithmetic number, because the mean of its divisors is an integer number (143100216).
Almost surely, 22420205025 is an apocalyptic number.
2420205025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2420205025 is a deficient number, since it is larger than the sum of its proper divisors (1014200159).
2420205025 is a wasteful number, since it uses less digits than its factorization.
2420205025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18681 (or 18676 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 22.
The square root of 2420205025 is about 49195.5793237563. The cubic root of 2420205025 is about 1342.6126026367.
Adding to 2420205025 its reverse (5205020242), we get a palindrome (7625225267).
The spelling of 2420205025 in words is "two billion, four hundred twenty million, two hundred five thousand, twenty-five".
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