Base | Representation |
---|---|
bin | 1100100100011… |
… | …0101110001110 |
3 | 10200012101011020 |
4 | 3021012232032 |
5 | 101443442403 |
6 | 5121535010 |
7 | 1210046121 |
oct | 311065616 |
9 | 120171136 |
10 | 52718478 |
11 | 2783819a |
12 | 157a4466 |
13 | abca887 |
14 | 70043b8 |
15 | 4965453 |
hex | 3246b8e |
52718478 has 8 divisors (see below), whose sum is σ = 105436968. Its totient is φ = 17572824.
The previous prime is 52718467. The next prime is 52718531. The reversal of 52718478 is 87481725.
52718478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
52718478 is an admirable number.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
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, 4393201 + ... + 4393212.
It is an arithmetic number, because the mean of its divisors is an integer number (13179621).
Almost surely, 252718478 is an apocalyptic number.
52718478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52718478 is a wasteful number, since it uses less digits than its factorization.
52718478 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8786418.
The product of its digits is 125440, while the sum is 42.
The square root of 52718478 is about 7260.7491349034. The cubic root of 52718478 is about 374.9623144351.
The spelling of 52718478 in words is "fifty-two million, seven hundred eighteen thousand, four hundred seventy-eight".
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