Base | Representation |
---|---|
bin | 100000011010111… |
… | …1000100010101110 |
3 | 2210211000101001101 |
4 | 1000311320202232 |
5 | 4211443221204 |
6 | 255540433314 |
7 | 35646501031 |
oct | 10065704256 |
9 | 2724011041 |
10 | 1087867054 |
11 | 50908868a |
12 | 2643a883a |
13 | 1444c3321 |
14 | a46a1018 |
15 | 6578aea4 |
hex | 40d788ae |
1087867054 has 4 divisors (see below), whose sum is σ = 1631800584. Its totient is φ = 543933526.
The previous prime is 1087867031. The next prime is 1087867057. The reversal of 1087867054 is 4507687801.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4507687801 = 1361 ⋅3312041.
It is a junction number, because it is equal to n+sod(n) for n = 1087866995 and 1087867013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1087867057) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271966762 + ... + 271966765.
It is an arithmetic number, because the mean of its divisors is an integer number (407950146).
Almost surely, 21087867054 is an apocalyptic number.
1087867054 is a deficient number, since it is larger than the sum of its proper divisors (543933530).
1087867054 is an equidigital number, since it uses as much as digits as its factorization.
1087867054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 543933529.
The product of its (nonzero) digits is 376320, while the sum is 46.
The square root of 1087867054 is about 32982.8296845495. The cubic root of 1087867054 is about 1028.4707422036.
The spelling of 1087867054 in words is "one billion, eighty-seven million, eight hundred sixty-seven thousand, fifty-four".
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