Base | Representation |
---|---|
bin | 100000001110… |
… | …110010111101 |
3 | 120220021010211 |
4 | 200032302331 |
5 | 4130333323 |
6 | 501032421 |
7 | 131550163 |
oct | 40166275 |
9 | 16807124 |
10 | 8449213 |
11 | 4851023 |
12 | 29b5711 |
13 | 199aa46 |
14 | 119d233 |
15 | b1d70d |
hex | 80ecbd |
8449213 has 8 divisors (see below), whose sum is σ = 8717760. Its totient is φ = 8184960.
The previous prime is 8449159. The next prime is 8449223. The reversal of 8449213 is 3129448.
8449213 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 8449213 - 29 = 8448701 is a prime.
It is a d-powerful number, because it can be written as 83 + 42 + 45 + 95 + 223 + 1 + 3 .
It is a Duffinian number.
8449213 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8449223) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3181 + ... + 5197.
It is an arithmetic number, because the mean of its divisors is an integer number (1089720).
Almost surely, 28449213 is an apocalyptic number.
It is an amenable number.
8449213 is a deficient number, since it is larger than the sum of its proper divisors (268547).
8449213 is a wasteful number, since it uses less digits than its factorization.
8449213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2147.
The product of its digits is 6912, while the sum is 31.
The square root of 8449213 is about 2906.7529994824. The cubic root of 8449213 is about 203.6754820525.
The spelling of 8449213 in words is "eight million, four hundred forty-nine thousand, two hundred thirteen".
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