Base | Representation |
---|---|
bin | 101000111011… |
… | …001100001111 |
3 | 202012001100000 |
4 | 220323030033 |
5 | 10221300312 |
6 | 1021535343 |
7 | 160121400 |
oct | 50731417 |
9 | 22161300 |
10 | 10728207 |
11 | 6068296 |
12 | 3714553 |
13 | 22b8169 |
14 | 15d39a7 |
15 | e1dadc |
hex | a3b30f |
10728207 has 72 divisors (see below), whose sum is σ = 20167056. Its totient is φ = 5660928.
The previous prime is 10728203. The next prime is 10728209. The reversal of 10728207 is 70282701.
It is not a de Polignac number, because 10728207 - 22 = 10728203 is a prime.
It is a super-3 number, since 3×107282073 (a number of 22 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10728203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 202393 + ... + 202445.
It is an arithmetic number, because the mean of its divisors is an integer number (280098).
Almost surely, 210728207 is an apocalyptic number.
10728207 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
10728207 is a deficient number, since it is larger than the sum of its proper divisors (9438849).
10728207 is an equidigital number, since it uses as much as digits as its factorization.
10728207 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 99 (or 80 counting only the distinct ones).
The product of its (nonzero) digits is 1568, while the sum is 27.
The square root of 10728207 is about 3275.3941747521. The cubic root of 10728207 is about 220.5510086074.
The spelling of 10728207 in words is "ten million, seven hundred twenty-eight thousand, two hundred seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •