Base | Representation |
---|---|
bin | 101000000000… |
… | …101001000101 |
3 | 201201212100212 |
4 | 220000221011 |
5 | 10141112024 |
6 | 1012445205 |
7 | 155102252 |
oct | 50005105 |
9 | 21655325 |
10 | 10488389 |
11 | 5a1409a |
12 | 3619805 |
13 | 2232c62 |
14 | 1570429 |
15 | dc2a0e |
hex | a00a45 |
10488389 has 4 divisors (see below), whose sum is σ = 10494924. Its totient is φ = 10481856.
The previous prime is 10488341. The next prime is 10488403. The reversal of 10488389 is 98388401.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 616225 + 9872164 = 785^2 + 3142^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10488389 is a prime.
It is a super-2 number, since 2×104883892 = 220012607630642, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10485389) 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 in 3 ways as a sum of consecutive naturals, for example, 989 + ... + 4685.
It is an arithmetic number, because the mean of its divisors is an integer number (2623731).
Almost surely, 210488389 is an apocalyptic number.
It is an amenable number.
10488389 is a deficient number, since it is larger than the sum of its proper divisors (6535).
10488389 is an equidigital number, since it uses as much as digits as its factorization.
10488389 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6534.
The product of its (nonzero) digits is 55296, while the sum is 41.
The square root of 10488389 is about 3238.5782374369. The cubic root of 10488389 is about 218.8952119913.
The spelling of 10488389 in words is "ten million, four hundred eighty-eight thousand, three hundred eighty-nine".
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