Base | Representation |
---|---|
bin | 1000001100101… |
… | …0111001001111 |
3 | 2101200222000120 |
4 | 2003022321033 |
5 | 32300313422 |
6 | 3225000023 |
7 | 565162143 |
oct | 203127117 |
9 | 71628016 |
10 | 34385487 |
11 | 18456364 |
12 | b623013 |
13 | 717c156 |
14 | 47d1223 |
15 | 304345c |
hex | 20cae4f |
34385487 has 4 divisors (see below), whose sum is σ = 45847320. Its totient is φ = 22923656.
The previous prime is 34385473. The next prime is 34385521. The reversal of 34385487 is 78458343.
34385487 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 an emirpimes, since its reverse is a distinct semiprime: 78458343 = 3 ⋅26152781.
It is a cyclic number.
It is not a de Polignac number, because 34385487 - 216 = 34319951 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (34385447) 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, 5730912 + ... + 5730917.
It is an arithmetic number, because the mean of its divisors is an integer number (11461830).
Almost surely, 234385487 is an apocalyptic number.
34385487 is a deficient number, since it is larger than the sum of its proper divisors (11461833).
34385487 is a wasteful number, since it uses less digits than its factorization.
34385487 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11461832.
The product of its digits is 322560, while the sum is 42.
The square root of 34385487 is about 5863.9139659446. The cubic root of 34385487 is about 325.1809233267.
The spelling of 34385487 in words is "thirty-four million, three hundred eighty-five thousand, four hundred eighty-seven".
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