Base | Representation |
---|---|
bin | 1101011011110… |
… | …0001101010110 |
3 | 10221000122101210 |
4 | 3112330031112 |
5 | 103411023210 |
6 | 5331402250 |
7 | 1252633251 |
oct | 326741526 |
9 | 127018353 |
10 | 56345430 |
11 | 29895179 |
12 | 16a53386 |
13 | b89a6bb |
14 | 76aa098 |
15 | 4e2ee20 |
hex | 35bc356 |
56345430 has 16 divisors (see below), whose sum is σ = 135229104. Its totient is φ = 15025440.
The previous prime is 56345381. The next prime is 56345449. The reversal of 56345430 is 3454365.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1878181 = 56345430 / (5 + 6 + 3 + 4 + 5 + 4 + 3 + 0).
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 939061 + ... + 939120.
It is an arithmetic number, because the mean of its divisors is an integer number (8451819).
Almost surely, 256345430 is an apocalyptic number.
56345430 is an abundant number, since it is smaller than the sum of its proper divisors (78883674).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56345430 is a wasteful number, since it uses less digits than its factorization.
56345430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1878191.
The product of its (nonzero) digits is 21600, while the sum is 30.
The square root of 56345430 is about 7506.3593039502. The cubic root of 56345430 is about 383.3712720275.
Adding to 56345430 its reverse (3454365), we get a palindrome (59799795).
The spelling of 56345430 in words is "fifty-six million, three hundred forty-five thousand, four hundred thirty".
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