Base | Representation |
---|---|
bin | 1001011101011100… |
… | …0001000000111111 |
3 | 20112222022112102211 |
4 | 2113113001000333 |
5 | 20200041034322 |
6 | 1055552001251 |
7 | 116633325250 |
oct | 22727010077 |
9 | 6488275384 |
10 | 2539393087 |
11 | 109346a680 |
12 | 5aa530227 |
13 | 31614297a |
14 | 1a1386b27 |
15 | ece0cb77 |
hex | 975c103f |
2539393087 has 16 divisors (see below), whose sum is σ = 3177792000. Its totient is φ = 1971375840.
The previous prime is 2539393057. The next prime is 2539393121. The reversal of 2539393087 is 7803939352.
It is a happy number.
2539393087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2539393087 - 219 = 2538868799 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2539393087.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2539393007) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40587 + ... + 82012.
It is an arithmetic number, because the mean of its divisors is an integer number (198612000).
Almost surely, 22539393087 is an apocalyptic number.
2539393087 is a deficient number, since it is larger than the sum of its proper divisors (638398913).
2539393087 is a wasteful number, since it uses less digits than its factorization.
2539393087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122886.
The product of its (nonzero) digits is 1224720, while the sum is 49.
The square root of 2539393087 is about 50392.3911617617. The cubic root of 2539393087 is about 1364.3003095111.
The spelling of 2539393087 in words is "two billion, five hundred thirty-nine million, three hundred ninety-three thousand, eighty-seven".
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