Base | Representation |
---|---|
bin | 1101110101101… |
… | …1110111110101 |
3 | 11001020010212112 |
4 | 3131123313311 |
5 | 104330013424 |
6 | 5432100405 |
7 | 1303254056 |
oct | 335336765 |
9 | 131203775 |
10 | 58047989 |
11 | 2a84834a |
12 | 17534705 |
13 | c04562c |
14 | 79d072d |
15 | 516960e |
hex | 375bdf5 |
58047989 has 4 divisors (see below), whose sum is σ = 58297356. Its totient is φ = 57798624.
The previous prime is 58047973. The next prime is 58047991. The reversal of 58047989 is 98974085.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 33466225 + 24581764 = 5785^2 + 4958^2 .
It is a cyclic number.
It is not a de Polignac number, because 58047989 - 24 = 58047973 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (58047919) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124334 + ... + 124799.
It is an arithmetic number, because the mean of its divisors is an integer number (14574339).
Almost surely, 258047989 is an apocalyptic number.
It is an amenable number.
58047989 is a deficient number, since it is larger than the sum of its proper divisors (249367).
58047989 is a wasteful number, since it uses less digits than its factorization.
58047989 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 249366.
The product of its (nonzero) digits is 725760, while the sum is 50.
The square root of 58047989 is about 7618.9230866311. The cubic root of 58047989 is about 387.1943929653.
The spelling of 58047989 in words is "fifty-eight million, forty-seven thousand, nine hundred eighty-nine".
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