Base | Representation |
---|---|
bin | 100110010010… |
… | …111011001101 |
3 | 200220000220102 |
4 | 212102323031 |
5 | 10032221424 |
6 | 555100445 |
7 | 151221122 |
oct | 46227315 |
9 | 20800812 |
10 | 10038989 |
11 | 5737494 |
12 | 3441725 |
13 | 210653c |
14 | 1494749 |
15 | d347ae |
hex | 992ecd |
10038989 has 2 divisors, whose sum is σ = 10038990. Its totient is φ = 10038988.
The previous prime is 10038943. The next prime is 10038991. The reversal of 10038989 is 98983001.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7382089 + 2656900 = 2717^2 + 1630^2 .
It is a cyclic number.
It is not a de Polignac number, because 10038989 - 28 = 10038733 is a prime.
It is a Sophie Germain prime.
Together with 10038991, it forms a pair of twin primes.
It is a Chen prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10032989) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5019494 + 5019495.
It is an arithmetic number, because the mean of its divisors is an integer number (5019495).
Almost surely, 210038989 is an apocalyptic number.
It is an amenable number.
10038989 is a deficient number, since it is larger than the sum of its proper divisors (1).
10038989 is an equidigital number, since it uses as much as digits as its factorization.
10038989 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 15552, while the sum is 38.
The square root of 10038989 is about 3168.4363651492. The cubic root of 10038989 is about 215.7231034090.
The spelling of 10038989 in words is "ten million, thirty-eight thousand, nine hundred eighty-nine".
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