Base | Representation |
---|---|
bin | 1010011111011… |
… | …10010100111001 |
3 | 20010121021021022 |
4 | 11033232110321 |
5 | 140012223433 |
6 | 12422152225 |
7 | 2116025033 |
oct | 517562471 |
9 | 203537238 |
10 | 88007993 |
11 | 45750787 |
12 | 25582675 |
13 | 15305348 |
14 | b98cc53 |
15 | 7ad6698 |
hex | 53ee539 |
88007993 has 2 divisors, whose sum is σ = 88007994. Its totient is φ = 88007992.
The previous prime is 88007957. The next prime is 88008029. The reversal of 88007993 is 39970088.
It is a balanced prime because it is at equal distance from previous prime (88007957) and next prime (88008029).
It can be written as a sum of positive squares in only one way, i.e., 65092624 + 22915369 = 8068^2 + 4787^2 .
It is a cyclic number.
It is not a de Polignac number, because 88007993 - 210 = 88006969 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (88007593) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44003996 + 44003997.
It is an arithmetic number, because the mean of its divisors is an integer number (44003997).
Almost surely, 288007993 is an apocalyptic number.
It is an amenable number.
88007993 is a deficient number, since it is larger than the sum of its proper divisors (1).
88007993 is an equidigital number, since it uses as much as digits as its factorization.
88007993 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 108864, while the sum is 44.
The square root of 88007993 is about 9381.2575383048. The cubic root of 88007993 is about 444.8094845795.
The spelling of 88007993 in words is "eighty-eight million, seven thousand, nine hundred ninety-three".
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