Base | Representation |
---|---|
bin | 1010000000010… |
… | …00010101110001 |
3 | 12211220120221002 |
4 | 11000020111301 |
5 | 132440421431 |
6 | 12154411345 |
7 | 2036211266 |
oct | 500102561 |
9 | 184816832 |
10 | 83920241 |
11 | 43409579 |
12 | 24130b55 |
13 | 14503862 |
14 | b20726d |
15 | 757a3cb |
hex | 5008571 |
83920241 has 4 divisors (see below), whose sum is σ = 84663012. Its totient is φ = 83177472.
The previous prime is 83920237. The next prime is 83920259. The reversal of 83920241 is 14202938.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14202938 = 2 ⋅7101469.
It can be written as a sum of positive squares in 2 ways, for example, as 1201216 + 82719025 = 1096^2 + 9095^2 .
It is a cyclic number.
It is not a de Polignac number, because 83920241 - 22 = 83920237 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (83920231) 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, 371216 + ... + 371441.
It is an arithmetic number, because the mean of its divisors is an integer number (21165753).
Almost surely, 283920241 is an apocalyptic number.
It is an amenable number.
83920241 is a deficient number, since it is larger than the sum of its proper divisors (742771).
83920241 is a wasteful number, since it uses less digits than its factorization.
83920241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 742770.
The product of its (nonzero) digits is 3456, while the sum is 29.
The square root of 83920241 is about 9160.7991463627. The cubic root of 83920241 is about 437.8132565752.
The spelling of 83920241 in words is "eighty-three million, nine hundred twenty thousand, two hundred forty-one".
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