Base | Representation |
---|---|
bin | 1101100010000… |
… | …0010111000010 |
3 | 10221210111010010 |
4 | 3120200113002 |
5 | 104012140100 |
6 | 5344245350 |
7 | 1256262240 |
oct | 330402702 |
9 | 127714103 |
10 | 56755650 |
11 | 2a0453a6 |
12 | 17010856 |
13 | b9b2333 |
14 | 7775790 |
15 | 4eb1750 |
hex | 36205c2 |
56755650 has 96 divisors (see below), whose sum is σ = 162275328. Its totient is φ = 12859200.
The previous prime is 56755631. The next prime is 56755661. The reversal of 56755650 is 5655765.
It is a junction number, because it is equal to n+sod(n) for n = 56755599 and 56755608.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 200409 + ... + 200691.
It is an arithmetic number, because the mean of its divisors is an integer number (1690368).
Almost surely, 256755650 is an apocalyptic number.
56755650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 56755650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81137664).
56755650 is an abundant number, since it is smaller than the sum of its proper divisors (105519678).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56755650 is a wasteful number, since it uses less digits than its factorization.
56755650 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 496 (or 491 counting only the distinct ones).
The product of its (nonzero) digits is 157500, while the sum is 39.
The square root of 56755650 is about 7533.6345809974. The cubic root of 56755650 is about 384.2993948726.
It can be divided in two parts, 5675 and 5650, that added together give a triangular number (11325 = T150).
The spelling of 56755650 in words is "fifty-six million, seven hundred fifty-five thousand, six hundred fifty".
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