Base | Representation |
---|---|
bin | 1110000001101… |
… | …0110010011101 |
3 | 11002200212120012 |
4 | 3200122302131 |
5 | 110030024411 |
6 | 5500533005 |
7 | 1313021660 |
oct | 340326235 |
9 | 132625505 |
10 | 58829981 |
11 | 30231921 |
12 | 17851165 |
13 | c25a552 |
14 | 7b556d7 |
15 | 527118b |
hex | 381ac9d |
58829981 has 4 divisors (see below), whose sum is σ = 67234272. Its totient is φ = 50425692.
The previous prime is 58829959. The next prime is 58829983. The reversal of 58829981 is 18992885.
58829981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 58829981 - 26 = 58829917 is a prime.
It is a super-2 number, since 2×588299812 = 6921933328920722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (58829983) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4202135 + ... + 4202148.
It is an arithmetic number, because the mean of its divisors is an integer number (16808568).
Almost surely, 258829981 is an apocalyptic number.
It is an amenable number.
58829981 is a deficient number, since it is larger than the sum of its proper divisors (8404291).
58829981 is an equidigital number, since it uses as much as digits as its factorization.
58829981 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8404290.
The product of its digits is 414720, while the sum is 50.
The square root of 58829981 is about 7670.0704690374. The cubic root of 58829981 is about 388.9253364146.
The spelling of 58829981 in words is "fifty-eight million, eight hundred twenty-nine thousand, nine hundred eighty-one".
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