Base | Representation |
---|---|
bin | 1101100010000… |
… | …0111101101000 |
3 | 10221210121111121 |
4 | 3120200331220 |
5 | 104012224440 |
6 | 5344305024 |
7 | 1256302366 |
oct | 330407550 |
9 | 127717447 |
10 | 56758120 |
11 | 2a047241 |
12 | 17012174 |
13 | b9b34b3 |
14 | 7776636 |
15 | 4eb234a |
hex | 3620f68 |
56758120 has 16 divisors (see below), whose sum is σ = 127705860. Its totient is φ = 22703232.
The previous prime is 56758109. The next prime is 56758129. The reversal of 56758120 is 2185765.
It can be written as a sum of positive squares in 2 ways, for example, as 55621764 + 1136356 = 7458^2 + 1066^2 .
It is not an unprimeable number, because it can be changed into a prime (56758129) 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, 709437 + ... + 709516.
Almost surely, 256758120 is an apocalyptic number.
It is an amenable number.
56758120 is an abundant number, since it is smaller than the sum of its proper divisors (70947740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56758120 is a wasteful number, since it uses less digits than its factorization.
56758120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1418964 (or 1418960 counting only the distinct ones).
The product of its (nonzero) digits is 16800, while the sum is 34.
The square root of 56758120 is about 7533.7985107116. The cubic root of 56758120 is about 384.3049696817.
The spelling of 56758120 in words is "fifty-six million, seven hundred fifty-eight thousand, one hundred twenty".
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