Base | Representation |
---|---|
bin | 101000111011… |
… | …001011001111 |
3 | 202012001020122 |
4 | 220323023033 |
5 | 10221300033 |
6 | 1021535155 |
7 | 160121246 |
oct | 50731317 |
9 | 22161218 |
10 | 10728143 |
11 | 6068238 |
12 | 37144bb |
13 | 22b811a |
14 | 15d395d |
15 | e1da98 |
hex | a3b2cf |
10728143 has 4 divisors (see below), whose sum is σ = 11194608. Its totient is φ = 10261680.
The previous prime is 10728127. The next prime is 10728167. The reversal of 10728143 is 34182701.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 10728143 - 24 = 10728127 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 (10728043) 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, 233198 + ... + 233243.
It is an arithmetic number, because the mean of its divisors is an integer number (2798652).
Almost surely, 210728143 is an apocalyptic number.
10728143 is a deficient number, since it is larger than the sum of its proper divisors (466465).
10728143 is an equidigital number, since it uses as much as digits as its factorization.
10728143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 466464.
The product of its (nonzero) digits is 1344, while the sum is 26.
The square root of 10728143 is about 3275.3844049210. The cubic root of 10728143 is about 220.5505700348.
The spelling of 10728143 in words is "ten million, seven hundred twenty-eight thousand, one hundred forty-three".
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