Base | Representation |
---|---|
bin | 1100010000010… |
… | …00001001111001 |
3 | 21011102110122121 |
4 | 12020020021321 |
5 | 202303400344 |
6 | 14111121241 |
7 | 2355506344 |
oct | 610101171 |
9 | 234373577 |
10 | 102793849 |
11 | 5302a5a4 |
12 | 2a513221 |
13 | 183b1382 |
14 | d91b45b |
15 | 9057684 |
hex | 6208279 |
102793849 has 4 divisors (see below), whose sum is σ = 108840564. Its totient is φ = 96747136.
The previous prime is 102793837. The next prime is 102793853. The reversal of 102793849 is 948397201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 948397201 = 941 ⋅1007861.
It can be written as a sum of positive squares in 2 ways, for example, as 96668224 + 6125625 = 9832^2 + 2475^2 .
It is not a de Polignac number, because 102793849 - 29 = 102793337 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102793829) 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, 3023332 + ... + 3023365.
It is an arithmetic number, because the mean of its divisors is an integer number (27210141).
Almost surely, 2102793849 is an apocalyptic number.
It is an amenable number.
102793849 is a deficient number, since it is larger than the sum of its proper divisors (6046715).
102793849 is an equidigital number, since it uses as much as digits as its factorization.
102793849 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6046714.
The product of its (nonzero) digits is 108864, while the sum is 43.
The square root of 102793849 is about 10138.7301473113. The cubic root of 102793849 is about 468.4418736143.
The spelling of 102793849 in words is "one hundred two million, seven hundred ninety-three thousand, eight hundred forty-nine".
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