Base | Representation |
---|---|
bin | 1110000010010… |
… | …0001001010101 |
3 | 11002202211010202 |
4 | 3200210021111 |
5 | 110032241214 |
6 | 5501430245 |
7 | 1313241503 |
oct | 340441125 |
9 | 132684122 |
10 | 58868309 |
11 | 302586a5 |
12 | 1786b385 |
13 | c271b26 |
14 | 7b65673 |
15 | 527c6de |
hex | 3824255 |
58868309 has 4 divisors (see below), whose sum is σ = 58915200. Its totient is φ = 58821420.
The previous prime is 58868291. The next prime is 58868321. The reversal of 58868309 is 90386885.
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, and also an emirpimes, since its reverse is a distinct semiprime: 90386885 = 5 ⋅18077377.
It is a cyclic number.
It is not a de Polignac number, because 58868309 - 28 = 58868053 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 (58868809) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21509 + ... + 24090.
It is an arithmetic number, because the mean of its divisors is an integer number (14728800).
Almost surely, 258868309 is an apocalyptic number.
It is an amenable number.
58868309 is a deficient number, since it is larger than the sum of its proper divisors (46891).
58868309 is a wasteful number, since it uses less digits than its factorization.
58868309 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46890.
The product of its (nonzero) digits is 414720, while the sum is 47.
The square root of 58868309 is about 7672.5686051022. The cubic root of 58868309 is about 389.0097802869.
The spelling of 58868309 in words is "fifty-eight million, eight hundred sixty-eight thousand, three hundred nine".
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