Base | Representation |
---|---|
bin | 1001010000100100… |
… | …0000011010011101 |
3 | 20102012200211200212 |
4 | 2110021000122131 |
5 | 20042224421312 |
6 | 1050342302205 |
7 | 115406312642 |
oct | 22411003235 |
9 | 6365624625 |
10 | 2485388957 |
11 | 1065a34567 |
12 | 594427965 |
13 | 307bb4b6c |
14 | 198129dc9 |
15 | e82e1822 |
hex | 9424069d |
2485388957 has 2 divisors, whose sum is σ = 2485388958. Its totient is φ = 2485388956.
The previous prime is 2485388929. The next prime is 2485388977. The reversal of 2485388957 is 7598835842.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1776285316 + 709103641 = 42146^2 + 26629^2 .
It is a cyclic number.
It is not a de Polignac number, because 2485388957 - 28 = 2485388701 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2485388896 and 2485388905.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2485388977) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1242694478 + 1242694479.
It is an arithmetic number, because the mean of its divisors is an integer number (1242694479).
Almost surely, 22485388957 is an apocalyptic number.
It is an amenable number.
2485388957 is a deficient number, since it is larger than the sum of its proper divisors (1).
2485388957 is an equidigital number, since it uses as much as digits as its factorization.
2485388957 is an evil number, because the sum of its binary digits is even.
The product of its digits is 19353600, while the sum is 59.
The square root of 2485388957 is about 49853.6754612937. The cubic root of 2485388957 is about 1354.5596090653.
The spelling of 2485388957 in words is "two billion, four hundred eighty-five million, three hundred eighty-eight thousand, nine hundred fifty-seven".
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