Base | Representation |
---|---|
bin | 101000100101… |
… | …010000000111 |
3 | 202000111001201 |
4 | 220211100013 |
5 | 10210411333 |
6 | 1020003331 |
7 | 156265402 |
oct | 50452007 |
9 | 22014051 |
10 | 10638343 |
11 | 6006821 |
12 | 3690547 |
13 | 22862a1 |
14 | 15acd39 |
15 | e0217d |
hex | a25407 |
10638343 has 4 divisors (see below), whose sum is σ = 10659208. Its totient is φ = 10617480.
The previous prime is 10638337. The next prime is 10638367. The reversal of 10638343 is 34383601.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34383601 = 7 ⋅4911943.
It is a cyclic number.
It is not a de Polignac number, because 10638343 - 29 = 10637831 is a prime.
It is a super-2 number, since 2×106383432 = 226348683571298, 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 (10638323) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9648 + ... + 10693.
It is an arithmetic number, because the mean of its divisors is an integer number (2664802).
Almost surely, 210638343 is an apocalyptic number.
10638343 is a deficient number, since it is larger than the sum of its proper divisors (20865).
10638343 is an equidigital number, since it uses as much as digits as its factorization.
10638343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20864.
The product of its (nonzero) digits is 5184, while the sum is 28.
The square root of 10638343 is about 3261.6472831991. The cubic root of 10638343 is about 219.9334716193.
The spelling of 10638343 in words is "ten million, six hundred thirty-eight thousand, three hundred forty-three".
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