Base | Representation |
---|---|
bin | 1101010110110… |
… | …0010011001000 |
3 | 10220102000102012 |
4 | 3111230103020 |
5 | 103320034440 |
6 | 5320355052 |
7 | 1250101064 |
oct | 325542310 |
9 | 126360365 |
10 | 56018120 |
11 | 29691274 |
12 | 16915a88 |
13 | b7b4722 |
14 | 7622aa4 |
15 | 4db7e65 |
hex | 356c4c8 |
56018120 has 16 divisors (see below), whose sum is σ = 126040860. Its totient is φ = 22407232.
The previous prime is 56018117. The next prime is 56018129. The reversal of 56018120 is 2181065.
It can be written as a sum of positive squares in 2 ways, for example, as 53202436 + 2815684 = 7294^2 + 1678^2 .
It is not an unprimeable number, because it can be changed into a prime (56018129) 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, 700187 + ... + 700266.
Almost surely, 256018120 is an apocalyptic number.
It is an amenable number.
56018120 is an abundant number, since it is smaller than the sum of its proper divisors (70022740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56018120 is a wasteful number, since it uses less digits than its factorization.
56018120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1400464 (or 1400460 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 23.
The square root of 56018120 is about 7484.5253690531. The cubic root of 56018120 is about 382.6274967630.
Adding to 56018120 its reverse (2181065), we get a palindrome (58199185).
The spelling of 56018120 in words is "fifty-six million, eighteen thousand, one hundred twenty".
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