Base | Representation |
---|---|
bin | 1101011110110… |
… | …1011011100000 |
3 | 10221101212221211 |
4 | 3113231123200 |
5 | 103434001130 |
6 | 5335555504 |
7 | 1254433114 |
oct | 327553340 |
9 | 127355854 |
10 | 56547040 |
11 | 29a126a0 |
12 | 16b2bb94 |
13 | b93b3b4 |
14 | 771d744 |
15 | 4e6ea2a |
hex | 35ed6e0 |
56547040 has 144 divisors (see below), whose sum is σ = 155539440. Its totient is φ = 19261440.
The previous prime is 56547019. The next prime is 56547089. The reversal of 56547040 is 4074565.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 56546993 and 56547011.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 635316 + ... + 635404.
It is an arithmetic number, because the mean of its divisors is an integer number (1080135).
Almost surely, 256547040 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 56547040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77769720).
56547040 is an abundant number, since it is smaller than the sum of its proper divisors (98992400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56547040 is a wasteful number, since it uses less digits than its factorization.
56547040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 153 (or 126 counting only the distinct ones).
The product of its (nonzero) digits is 16800, while the sum is 31.
The square root of 56547040 is about 7519.7765924261. The cubic root of 56547040 is about 383.8279756100.
The spelling of 56547040 in words is "fifty-six million, five hundred forty-seven thousand, forty".
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