Base | Representation |
---|---|
bin | 1100011100011… |
… | …00101100000001 |
3 | 21021102022200112 |
4 | 12032030230001 |
5 | 203210312111 |
6 | 14205201105 |
7 | 2405155160 |
oct | 616145401 |
9 | 237368615 |
10 | 104385281 |
11 | 53a17230 |
12 | 2ab60195 |
13 | 1881a850 |
14 | dc133d7 |
15 | 926de8b |
hex | 638cb01 |
104385281 has 16 divisors (see below), whose sum is σ = 140155008. Its totient is φ = 75081600.
The previous prime is 104385271. The next prime is 104385283. The reversal of 104385281 is 182583401.
It is not a de Polignac number, because 104385281 - 210 = 104384257 is a prime.
It is a super-2 number, since 2×1043852812 = 21792573778897922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (104385283) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51140 + ... + 53141.
It is an arithmetic number, because the mean of its divisors is an integer number (8759688).
Almost surely, 2104385281 is an apocalyptic number.
104385281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
104385281 is a deficient number, since it is larger than the sum of its proper divisors (35769727).
104385281 is a wasteful number, since it uses less digits than its factorization.
104385281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104312.
The product of its (nonzero) digits is 7680, while the sum is 32.
The square root of 104385281 is about 10216.9115196325. The cubic root of 104385281 is about 470.8469427832.
The spelling of 104385281 in words is "one hundred four million, three hundred eighty-five thousand, two hundred eighty-one".
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