Base | Representation |
---|---|
bin | 111110011111100… |
… | …101110111111011 |
3 | 2201001212202001201 |
4 | 332133211313323 |
5 | 4121402001422 |
6 | 252012155031 |
7 | 34660560616 |
oct | 7637456773 |
9 | 2631782051 |
10 | 1048468987 |
11 | 4989192a5 |
12 | 253168a77 |
13 | 1392aa767 |
14 | 9d36717d |
15 | 620a7727 |
hex | 3e7e5dfb |
1048468987 has 4 divisors (see below), whose sum is σ = 1084623120. Its totient is φ = 1012314856.
The previous prime is 1048468979. The next prime is 1048468991. The reversal of 1048468987 is 7898648401.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1048468987 - 23 = 1048468979 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1048468907) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18077023 + ... + 18077080.
It is an arithmetic number, because the mean of its divisors is an integer number (271155780).
Almost surely, 21048468987 is an apocalyptic number.
1048468987 is a deficient number, since it is larger than the sum of its proper divisors (36154133).
1048468987 is an equidigital number, since it uses as much as digits as its factorization.
1048468987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36154132.
The product of its (nonzero) digits is 3096576, while the sum is 55.
The square root of 1048468987 is about 32380.0708306823. The cubic root of 1048468987 is about 1015.9021114254.
The spelling of 1048468987 in words is "one billion, forty-eight million, four hundred sixty-eight thousand, nine hundred eighty-seven".
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