Base | Representation |
---|---|
bin | 100101000000010… |
… | …111101111100001 |
3 | 1121021020122220112 |
4 | 211000113233201 |
5 | 2232414313431 |
6 | 141335021105 |
7 | 21246113450 |
oct | 4500275741 |
9 | 1537218815 |
10 | 620854241 |
11 | 299501a87 |
12 | 153b0a795 |
13 | 9b81aa97 |
14 | 5c654b97 |
15 | 3978bc2b |
hex | 25017be1 |
620854241 has 16 divisors (see below), whose sum is σ = 749030400. Its totient is φ = 502709328.
The previous prime is 620854237. The next prime is 620854259. The reversal of 620854241 is 142458026.
It is a cyclic number.
It is not a de Polignac number, because 620854241 - 22 = 620854237 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 620854198 and 620854207.
It is not an unprimeable number, because it can be changed into a prime (620854211) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41246 + ... + 54248.
It is an arithmetic number, because the mean of its divisors is an integer number (46814400).
Almost surely, 2620854241 is an apocalyptic number.
It is an amenable number.
620854241 is a deficient number, since it is larger than the sum of its proper divisors (128176159).
620854241 is a wasteful number, since it uses less digits than its factorization.
620854241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13388.
The product of its (nonzero) digits is 15360, while the sum is 32.
The square root of 620854241 is about 24916.9468635305. The cubic root of 620854241 is about 853.0933384574.
The spelling of 620854241 in words is "six hundred twenty million, eight hundred fifty-four thousand, two hundred forty-one".
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