Base | Representation |
---|---|
bin | 100000011000… |
… | …100000010101 |
3 | 120222021200201 |
4 | 200120200111 |
5 | 4133121411 |
6 | 501540501 |
7 | 132104134 |
oct | 40304025 |
9 | 16867621 |
10 | 8488981 |
11 | 4878996 |
12 | 2a14731 |
13 | 19b2b87 |
14 | 11ad91b |
15 | b2a3c1 |
hex | 818815 |
8488981 has 2 divisors, whose sum is σ = 8488982. Its totient is φ = 8488980.
The previous prime is 8488969. The next prime is 8488993. The reversal of 8488981 is 1898848.
It is a balanced prime because it is at equal distance from previous prime (8488969) and next prime (8488993).
It can be written as a sum of positive squares in only one way, i.e., 5564881 + 2924100 = 2359^2 + 1710^2 .
It is a cyclic number.
It is not a de Polignac number, because 8488981 - 27 = 8488853 is a prime.
It is a super-2 number, since 2×84889812 = 144125596836722, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (8488901) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4244490 + 4244491.
It is an arithmetic number, because the mean of its divisors is an integer number (4244491).
Almost surely, 28488981 is an apocalyptic number.
It is an amenable number.
8488981 is a deficient number, since it is larger than the sum of its proper divisors (1).
8488981 is an equidigital number, since it uses as much as digits as its factorization.
8488981 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 147456, while the sum is 46.
The square root of 8488981 is about 2913.5855916722. The cubic root of 8488981 is about 203.9945292010.
The spelling of 8488981 in words is "eight million, four hundred eighty-eight thousand, nine hundred eighty-one".
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