Base | Representation |
---|---|
bin | 1101100010110… |
… | …0100001000010 |
3 | 10221220000102021 |
4 | 3120230201002 |
5 | 104020233232 |
6 | 5345312054 |
7 | 1256560351 |
oct | 330544102 |
9 | 127800367 |
10 | 56805442 |
11 | 2a079851 |
12 | 1703562a |
13 | b9cbbb5 |
14 | 7789998 |
15 | 4ec1397 |
hex | 362c842 |
56805442 has 8 divisors (see below), whose sum is σ = 85298832. Its totient is φ = 28372500.
The previous prime is 56805433. The next prime is 56805443. The reversal of 56805442 is 24450865.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 56805398 and 56805407.
It is not an unprimeable number, because it can be changed into a prime (56805443) 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, 12684 + ... + 16567.
It is an arithmetic number, because the mean of its divisors is an integer number (10662354).
Almost surely, 256805442 is an apocalyptic number.
56805442 is a deficient number, since it is larger than the sum of its proper divisors (28493390).
56805442 is a wasteful number, since it uses less digits than its factorization.
56805442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30224.
The product of its (nonzero) digits is 38400, while the sum is 34.
The square root of 56805442 is about 7536.9385031324. The cubic root of 56805442 is about 384.4117445825.
The spelling of 56805442 in words is "fifty-six million, eight hundred five thousand, four hundred forty-two".
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