Base | Representation |
---|---|
bin | 100111101010… |
… | …100101001111 |
3 | 201120021102021 |
4 | 213222211033 |
5 | 10130214111 |
6 | 1010511011 |
7 | 154244650 |
oct | 47524517 |
9 | 21507367 |
10 | 10398031 |
11 | 5962216 |
12 | 3595467 |
13 | 2200aa7 |
14 | 1549527 |
15 | da5d71 |
hex | 9ea94f |
10398031 has 4 divisors (see below), whose sum is σ = 11883472. Its totient is φ = 8912592.
The previous prime is 10398029. The next prime is 10398053. The reversal of 10398031 is 13089301.
10398031 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13089301 = 1103 ⋅11867.
It is a cyclic number.
It is not a de Polignac number, because 10398031 - 21 = 10398029 is a prime.
It is a super-2 number, since 2×103980312 = 216238097353922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10397987 and 10398005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10398061) 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, 742710 + ... + 742723.
It is an arithmetic number, because the mean of its divisors is an integer number (2970868).
Almost surely, 210398031 is an apocalyptic number.
10398031 is a deficient number, since it is larger than the sum of its proper divisors (1485441).
10398031 is an equidigital number, since it uses as much as digits as its factorization.
10398031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1485440.
The product of its (nonzero) digits is 648, while the sum is 25.
The square root of 10398031 is about 3224.5978043781. The cubic root of 10398031 is about 218.2648004057.
The spelling of 10398031 in words is "ten million, three hundred ninety-eight thousand, thirty-one".
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