Base | Representation |
---|---|
bin | 100111101000… |
… | …011011101111 |
3 | 201112211100100 |
4 | 213220123233 |
5 | 10124423411 |
6 | 1010402143 |
7 | 154210206 |
oct | 47503357 |
9 | 21484310 |
10 | 10389231 |
11 | 5956646 |
12 | 3590353 |
13 | 21c9a98 |
14 | 154623d |
15 | da3456 |
hex | 9e86ef |
10389231 has 6 divisors (see below), whose sum is σ = 15006680. Its totient is φ = 6926148.
The previous prime is 10389191. The next prime is 10389233. The reversal of 10389231 is 13298301.
It is not a de Polignac number, because 10389231 - 26 = 10389167 is a prime.
It is a super-2 number, since 2×103892312 = 215872241542722, 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 = 10389195 and 10389204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10389233) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 577171 + ... + 577188.
Almost surely, 210389231 is an apocalyptic number.
10389231 is a deficient number, since it is larger than the sum of its proper divisors (4617449).
10389231 is a wasteful number, since it uses less digits than its factorization.
10389231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1154365 (or 1154362 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 27.
The square root of 10389231 is about 3223.2330042986. The cubic root of 10389231 is about 218.2032095030.
The spelling of 10389231 in words is "ten million, three hundred eighty-nine thousand, two hundred thirty-one".
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