Base | Representation |
---|---|
bin | 1100011011110… |
… | …10000011100001 |
3 | 21021021102222212 |
4 | 12031322003201 |
5 | 203200341321 |
6 | 14203411505 |
7 | 2404416521 |
oct | 615720341 |
9 | 237242885 |
10 | 104308961 |
11 | 53974959 |
12 | 2ab23b95 |
13 | 187c1ba3 |
14 | dbd3681 |
15 | 925655b |
hex | 637a0e1 |
104308961 has 4 divisors (see below), whose sum is σ = 106853124. Its totient is φ = 101764800.
The previous prime is 104308951. The next prime is 104309021. The reversal of 104308961 is 169803401.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 169803401 = 373 ⋅455237.
It can be written as a sum of positive squares in 2 ways, for example, as 22515025 + 81793936 = 4745^2 + 9044^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-104308961 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (104308931) 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, 1272020 + ... + 1272101.
It is an arithmetic number, because the mean of its divisors is an integer number (26713281).
Almost surely, 2104308961 is an apocalyptic number.
It is an amenable number.
104308961 is a deficient number, since it is larger than the sum of its proper divisors (2544163).
104308961 is an equidigital number, since it uses as much as digits as its factorization.
104308961 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2544162.
The product of its (nonzero) digits is 5184, while the sum is 32.
The square root of 104308961 is about 10213.1758527894. The cubic root of 104308961 is about 470.7321635101.
It can be divided in two parts, 10430 and 8961, that added together give a palindrome (19391).
The spelling of 104308961 in words is "one hundred four million, three hundred eight thousand, nine hundred sixty-one".
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