Base | Representation |
---|---|
bin | 11110010110001101001 |
3 | 1212112001222 |
4 | 3302301221 |
5 | 223310114 |
6 | 33151425 |
7 | 11311103 |
oct | 3626151 |
9 | 1775058 |
10 | 994409 |
11 | 61a129 |
12 | 3bb575 |
13 | 28a810 |
14 | 1bc573 |
15 | 14998e |
hex | f2c69 |
994409 has 4 divisors (see below), whose sum is σ = 1070916. Its totient is φ = 917904.
The previous prime is 994393. The next prime is 994417. The reversal of 994409 is 904499.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 133225 + 861184 = 365^2 + 928^2 .
It is not a de Polignac number, because 994409 - 24 = 994393 is a prime.
It is a Duffinian number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 994409.
It is not an unprimeable number, because it can be changed into a prime (994489) 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 3 ways as a sum of consecutive naturals, for example, 38234 + ... + 38259.
It is an arithmetic number, because the mean of its divisors is an integer number (267729).
2994409 is an apocalyptic number.
It is an amenable number.
994409 is a deficient number, since it is larger than the sum of its proper divisors (76507).
994409 is a wasteful number, since it uses less digits than its factorization.
994409 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76506.
The product of its (nonzero) digits is 11664, while the sum is 35.
The square root of 994409 is about 997.2005816284. The cubic root of 994409 is about 99.8132849251.
The spelling of 994409 in words is "nine hundred ninety-four thousand, four hundred nine".
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