Base | Representation |
---|---|
bin | 1101100100000… |
… | …0011111001101 |
3 | 10222001011122000 |
4 | 3121000133031 |
5 | 104030342440 |
6 | 5351142513 |
7 | 1260351012 |
oct | 331003715 |
9 | 128034560 |
10 | 56887245 |
11 | 2a125258 |
12 | 17074a39 |
13 | ba2a1bc |
14 | 77ab709 |
15 | 4eda730 |
hex | 36407cd |
56887245 has 32 divisors (see below), whose sum is σ = 101558400. Its totient is φ = 30212352.
The previous prime is 56887231. The next prime is 56887247. The reversal of 56887245 is 54278865.
56887245 is a `hidden beast` number, since 568 + 87 + 2 + 4 + 5 = 666.
56887245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 56887245 - 28 = 56886989 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 56887245.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56887247) 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 31 ways as a sum of consecutive naturals, for example, 37461 + ... + 38949.
It is an arithmetic number, because the mean of its divisors is an integer number (3173700).
Almost surely, 256887245 is an apocalyptic number.
It is an amenable number.
56887245 is a deficient number, since it is larger than the sum of its proper divisors (44671155).
56887245 is a wasteful number, since it uses less digits than its factorization.
56887245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1786 (or 1780 counting only the distinct ones).
The product of its digits is 537600, while the sum is 45.
The square root of 56887245 is about 7542.3633564023. The cubic root of 56887245 is about 384.5961808514.
The spelling of 56887245 in words is "fifty-six million, eight hundred eighty-seven thousand, two hundred forty-five".
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