Base | Representation |
---|---|
bin | 101000111011… |
… | …001111011111 |
3 | 202012001121201 |
4 | 220323033133 |
5 | 10221302130 |
6 | 1021540331 |
7 | 160122115 |
oct | 50731737 |
9 | 22161551 |
10 | 10728415 |
11 | 6068465 |
12 | 37146a7 |
13 | 22b8299 |
14 | 15d3ab5 |
15 | e1dbca |
hex | a3b3df |
10728415 has 4 divisors (see below), whose sum is σ = 12874104. Its totient is φ = 8582728.
The previous prime is 10728401. The next prime is 10728427. The reversal of 10728415 is 51482701.
10728415 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: 51482701 = 2803 ⋅18367.
It is a cyclic number.
It is not a de Polignac number, because 10728415 - 27 = 10728287 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1072837 + ... + 1072846.
It is an arithmetic number, because the mean of its divisors is an integer number (3218526).
Almost surely, 210728415 is an apocalyptic number.
10728415 is a deficient number, since it is larger than the sum of its proper divisors (2145689).
10728415 is an equidigital number, since it uses as much as digits as its factorization.
10728415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2145688.
The product of its (nonzero) digits is 2240, while the sum is 28.
The square root of 10728415 is about 3275.4259265018. The cubic root of 10728415 is about 220.5524339562.
The spelling of 10728415 in words is "ten million, seven hundred twenty-eight thousand, four hundred fifteen".
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