Base | Representation |
---|---|
bin | 100111101000… |
… | …011111101111 |
3 | 201112211200211 |
4 | 213220133233 |
5 | 10124430422 |
6 | 1010403251 |
7 | 154211023 |
oct | 47503757 |
9 | 21484624 |
10 | 10389487 |
11 | 5956859 |
12 | 3590527 |
13 | 21c9c34 |
14 | 1546383 |
15 | da3577 |
hex | 9e87ef |
10389487 has 8 divisors (see below), whose sum is σ = 10619280. Its totient is φ = 10161600.
The previous prime is 10389481. The next prime is 10389493. The reversal of 10389487 is 78498301.
It is an interprime number because it is at equal distance from previous prime (10389481) and next prime (10389493).
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 10389487 - 215 = 10356719 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 (10389481) 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, 16987 + ... + 17587.
It is an arithmetic number, because the mean of its divisors is an integer number (1327410).
Almost surely, 210389487 is an apocalyptic number.
10389487 is a deficient number, since it is larger than the sum of its proper divisors (229793).
10389487 is an equidigital number, since it uses as much as digits as its factorization.
10389487 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 953.
The product of its (nonzero) digits is 48384, while the sum is 40.
The square root of 10389487 is about 3223.2727157347. The cubic root of 10389487 is about 218.2050017294.
The spelling of 10389487 in words is "ten million, three hundred eighty-nine thousand, four hundred eighty-seven".
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