Base | Representation |
---|---|
bin | 1000111011000100… |
… | …1011101011000100 |
3 | 20011221002200122020 |
4 | 2032301023223010 |
5 | 14401141220130 |
6 | 1033402403140 |
7 | 113233232064 |
oct | 21661135304 |
9 | 6157080566 |
10 | 2395257540 |
11 | 101a073495 |
12 | 56a2004b0 |
13 | 2c2318170 |
14 | 18a1873a4 |
15 | e043ae10 |
hex | 8ec4bac4 |
2395257540 has 96 divisors (see below), whose sum is σ = 7246436736. Its totient is φ = 587658240.
The previous prime is 2395257511. The next prime is 2395257541. The reversal of 2395257540 is 457525932.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 2395257492 and 2395257501.
It is not an unprimeable number, because it can be changed into a prime (2395257541) 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, 239235 + ... + 249045.
It is an arithmetic number, because the mean of its divisors is an integer number (75483716).
Almost surely, 22395257540 is an apocalyptic number.
2395257540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2395257540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3623218368).
2395257540 is an abundant number, since it is smaller than the sum of its proper divisors (4851179196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2395257540 is a wasteful number, since it uses less digits than its factorization.
2395257540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10149 (or 10147 counting only the distinct ones).
The product of its (nonzero) digits is 378000, while the sum is 42.
The square root of 2395257540 is about 48941.3683911678. The cubic root of 2395257540 is about 1337.9834411584.
The spelling of 2395257540 in words is "two billion, three hundred ninety-five million, two hundred fifty-seven thousand, five hundred forty".
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