Base | Representation |
---|---|
bin | 100110101011… |
… | …011011111101 |
3 | 201002010121221 |
4 | 212223123331 |
5 | 10043430024 |
6 | 1001153341 |
7 | 152116621 |
oct | 46533375 |
9 | 21063557 |
10 | 10139389 |
11 | 57a5967 |
12 | 348b851 |
13 | 2140150 |
14 | 14bd181 |
15 | d543e4 |
hex | 9ab6fd |
10139389 has 8 divisors (see below), whose sum is σ = 11394432. Its totient is φ = 8952240.
The previous prime is 10139383. The next prime is 10139399. The reversal of 10139389 is 98393101.
10139389 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10139389 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 (10139383) 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, 16657 + ... + 17254.
It is an arithmetic number, because the mean of its divisors is an integer number (1424304).
Almost surely, 210139389 is an apocalyptic number.
It is an amenable number.
10139389 is a deficient number, since it is larger than the sum of its proper divisors (1255043).
10139389 is a wasteful number, since it uses less digits than its factorization.
10139389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33947.
The product of its (nonzero) digits is 5832, while the sum is 34.
The square root of 10139389 is about 3184.2407258246. The cubic root of 10139389 is about 216.4398686627.
The spelling of 10139389 in words is "ten million, one hundred thirty-nine thousand, three hundred eighty-nine".
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