Base | Representation |
---|---|
bin | 100010000111… |
… | …010011011101 |
3 | 121211100020022 |
4 | 202013103131 |
5 | 4242132223 |
6 | 515401525 |
7 | 136004225 |
oct | 42072335 |
9 | 17740208 |
10 | 8942813 |
11 | 5058960 |
12 | 2bb32a5 |
13 | 1b11609 |
14 | 128b085 |
15 | bb9ac8 |
hex | 8874dd |
8942813 has 8 divisors (see below), whose sum is σ = 9804576. Its totient is φ = 8089200.
The previous prime is 8942803. The next prime is 8942821. The reversal of 8942813 is 3182498.
It is a happy number.
8942813 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 8942813 - 218 = 8680669 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 (8942803) 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, 395 + ... + 4247.
It is an arithmetic number, because the mean of its divisors is an integer number (1225572).
Almost surely, 28942813 is an apocalyptic number.
It is an amenable number.
8942813 is a deficient number, since it is larger than the sum of its proper divisors (861763).
8942813 is a wasteful number, since it uses less digits than its factorization.
8942813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4075.
The product of its digits is 13824, while the sum is 35.
The square root of 8942813 is about 2990.4536445162. The cubic root of 8942813 is about 207.5668763970.
The spelling of 8942813 in words is "eight million, nine hundred forty-two thousand, eight hundred thirteen".
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