Base | Representation |
---|---|
bin | 1101100010011… |
… | …1110100111110 |
3 | 10221212001002000 |
4 | 3120213310332 |
5 | 104014124423 |
6 | 5345043130 |
7 | 1256450355 |
oct | 330476476 |
9 | 127761060 |
10 | 56786238 |
11 | 2a066383 |
12 | 170264a6 |
13 | b9c3232 |
14 | 778299c |
15 | 4eba843 |
hex | 3627d3e |
56786238 has 32 divisors (see below), whose sum is σ = 126451200. Its totient is φ = 18889848.
The previous prime is 56786237. The next prime is 56786251. The reversal of 56786238 is 83268765.
56786238 is a `hidden beast` number, since 567 + 86 + 2 + 3 + 8 = 666.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 56786193 and 56786202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56786237) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39195 + ... + 40617.
It is an arithmetic number, because the mean of its divisors is an integer number (3951600).
Almost surely, 256786238 is an apocalyptic number.
56786238 is an abundant number, since it is smaller than the sum of its proper divisors (69664962).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56786238 is a wasteful number, since it uses less digits than its factorization.
56786238 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2173 (or 2167 counting only the distinct ones).
The product of its digits is 483840, while the sum is 45.
The square root of 56786238 is about 7535.6644033556. The cubic root of 56786238 is about 384.3684208273.
The spelling of 56786238 in words is "fifty-six million, seven hundred eighty-six thousand, two hundred thirty-eight".
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