Base | Representation |
---|---|
bin | 1100101111001… |
… | …0001001100001 |
3 | 10201112001100021 |
4 | 3023302021201 |
5 | 102133430031 |
6 | 5144553441 |
7 | 1216032211 |
oct | 313621141 |
9 | 121461307 |
10 | 53420641 |
11 | 2817779a |
12 | 15a82881 |
13 | b0b5361 |
14 | 7148241 |
15 | 4a53511 |
hex | 32f2261 |
53420641 has 8 divisors (see below), whose sum is σ = 54751424. Its totient is φ = 52105680.
The previous prime is 53420603. The next prime is 53420659. The reversal of 53420641 is 14602435.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 53420641 - 213 = 53412449 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (53420671) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3031 + ... + 10771.
It is an arithmetic number, because the mean of its divisors is an integer number (6843928).
Almost surely, 253420641 is an apocalyptic number.
It is an amenable number.
53420641 is a deficient number, since it is larger than the sum of its proper divisors (1330783).
53420641 is a wasteful number, since it uses less digits than its factorization.
53420641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7911.
The product of its (nonzero) digits is 2880, while the sum is 25.
The square root of 53420641 is about 7308.9425363728. The cubic root of 53420641 is about 376.6196987233.
The spelling of 53420641 in words is "fifty-three million, four hundred twenty thousand, six hundred forty-one".
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