Base | Representation |
---|---|
bin | 111011010011001… |
… | …011111000010101 |
3 | 2120100001101211211 |
4 | 323103023320111 |
5 | 4014142311031 |
6 | 242415501421 |
7 | 33440245525 |
oct | 7323137025 |
9 | 2510041754 |
10 | 994885141 |
11 | 47064aa28 |
12 | 239227871 |
13 | 12b169043 |
14 | 961b9685 |
15 | 5c520bb1 |
hex | 3b4cbe15 |
994885141 has 4 divisors (see below), whose sum is σ = 994957984. Its totient is φ = 994812300.
The previous prime is 994885127. The next prime is 994885147. The reversal of 994885141 is 141588499.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.
It is a 3-Lehmer number, since φ(994885141) divides (994885141-1)3.
It is a cyclic number.
It is not a de Polignac number, because 994885141 - 29 = 994884629 is a prime.
It is a deceptive number, since it divides R994885140.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (994885147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9105 + ... + 45526.
It is an arithmetic number, because the mean of its divisors is an integer number (248739496).
Almost surely, 2994885141 is an apocalyptic number.
994885141 is the 18211-st octagonal number.
It is an amenable number.
994885141 is a deficient number, since it is larger than the sum of its proper divisors (72843).
994885141 is a wasteful number, since it uses less digits than its factorization.
994885141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72842.
The product of its digits is 414720, while the sum is 49.
The square root of 994885141 is about 31541.7999010836. The cubic root of 994885141 is about 998.2921318469.
The spelling of 994885141 in words is "nine hundred ninety-four million, eight hundred eighty-five thousand, one hundred forty-one".
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