Base | Representation |
---|---|
bin | 100010001001… |
… | …000011001101 |
3 | 121211201001012 |
4 | 202021003031 |
5 | 4242344330 |
6 | 515455005 |
7 | 136034123 |
oct | 42110315 |
9 | 17751035 |
10 | 8949965 |
11 | 5063272 |
12 | 2bb7465 |
13 | 1b1494b |
14 | 128d913 |
15 | bbbc95 |
hex | 8890cd |
8949965 has 4 divisors (see below), whose sum is σ = 10739964. Its totient is φ = 7159968.
The previous prime is 8949961. The next prime is 8949991. The reversal of 8949965 is 5699498.
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 1990921 + 6959044 = 1411^2 + 2638^2 .
It is a cyclic number.
It is not a de Polignac number, because 8949965 - 22 = 8949961 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8949961) 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, 894992 + ... + 895001.
It is an arithmetic number, because the mean of its divisors is an integer number (2684991).
Almost surely, 28949965 is an apocalyptic number.
It is an amenable number.
8949965 is a deficient number, since it is larger than the sum of its proper divisors (1789999).
8949965 is a wasteful number, since it uses less digits than its factorization.
8949965 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1789998.
The product of its digits is 699840, while the sum is 50.
The square root of 8949965 is about 2991.6492107197. The cubic root of 8949965 is about 207.6221954086.
The spelling of 8949965 in words is "eight million, nine hundred forty-nine thousand, nine hundred sixty-five".
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