Base | Representation |
---|---|
bin | 111000010011001… |
… | …0010101001100110 |
3 | 11212122122111220011 |
4 | 1300212102221212 |
5 | 12332101223204 |
6 | 511241400434 |
7 | 64545652342 |
oct | 16046225146 |
9 | 4778574804 |
10 | 1889086054 |
11 | 88a381349 |
12 | 44879911a |
13 | 2414b1ccb |
14 | 13cc66622 |
15 | b0ca4304 |
hex | 70992a66 |
1889086054 has 16 divisors (see below), whose sum is σ = 2874592800. Its totient is φ = 930956224.
The previous prime is 1889086051. The next prime is 1889086057. The reversal of 1889086054 is 4506809881.
It is an interprime number because it is at equal distance from previous prime (1889086051) and next prime (1889086057).
It is a super-2 number, since 2×18890860542 = 7137292238834581832, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1889085989 and 1889086007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1889086051) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39687 + ... + 73165.
It is an arithmetic number, because the mean of its divisors is an integer number (179662050).
Almost surely, 21889086054 is an apocalyptic number.
1889086054 is a deficient number, since it is larger than the sum of its proper divisors (985506746).
1889086054 is a wasteful number, since it uses less digits than its factorization.
1889086054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33887.
The product of its (nonzero) digits is 552960, while the sum is 49.
The square root of 1889086054 is about 43463.6175898878. The cubic root of 1889086054 is about 1236.1862651002.
The spelling of 1889086054 in words is "one billion, eight hundred eighty-nine million, eighty-six thousand, fifty-four".
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