Base | Representation |
---|---|
bin | 1011101010001… |
… | …10101110000001 |
3 | 20211001010022010 |
4 | 11311012232001 |
5 | 200014312413 |
6 | 13412203133 |
7 | 2265230166 |
oct | 565065601 |
9 | 224033263 |
10 | 97807233 |
11 | 50234027 |
12 | 289094a9 |
13 | 17356704 |
14 | cdc006d |
15 | 88bedc3 |
hex | 5d46b81 |
97807233 has 4 divisors (see below), whose sum is σ = 130409648. Its totient is φ = 65204820.
The previous prime is 97807219. The next prime is 97807249. The reversal of 97807233 is 33270879.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33270879 = 3 ⋅11090293.
It is a de Polignac number, because none of the positive numbers 2k-97807233 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 97807191 and 97807200.
It is not an unprimeable number, because it can be changed into a prime (97807253) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16301203 + ... + 16301208.
It is an arithmetic number, because the mean of its divisors is an integer number (32602412).
Almost surely, 297807233 is an apocalyptic number.
It is an amenable number.
97807233 is a deficient number, since it is larger than the sum of its proper divisors (32602415).
97807233 is a wasteful number, since it uses less digits than its factorization.
97807233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32602414.
The product of its (nonzero) digits is 63504, while the sum is 39.
The square root of 97807233 is about 9889.7539403162. The cubic root of 97807233 is about 460.7411382771.
The spelling of 97807233 in words is "ninety-seven million, eight hundred seven thousand, two hundred thirty-three".
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