Base | Representation |
---|---|
bin | 100111101001… |
… | …010011101101 |
3 | 201120000021000 |
4 | 213221103231 |
5 | 10130032223 |
6 | 1010430513 |
7 | 154223514 |
oct | 47512355 |
9 | 21500230 |
10 | 10392813 |
11 | 5959302 |
12 | 3592439 |
13 | 21cb5c2 |
14 | 154767b |
15 | da4543 |
hex | 9e94ed |
10392813 has 8 divisors (see below), whose sum is σ = 15396800. Its totient is φ = 6928524.
The previous prime is 10392787. The next prime is 10392821. The reversal of 10392813 is 31829301.
It is a de Polignac number, because none of the positive numbers 2k-10392813 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 384919 = 10392813 / (1 + 0 + 3 + 9 + 2 + 8 + 1 + 3).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10392313) 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, 192433 + ... + 192486.
It is an arithmetic number, because the mean of its divisors is an integer number (1924600).
Almost surely, 210392813 is an apocalyptic number.
It is an amenable number.
10392813 is a deficient number, since it is larger than the sum of its proper divisors (5003987).
10392813 is an equidigital number, since it uses as much as digits as its factorization.
10392813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 384928 (or 384922 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 27.
The square root of 10392813 is about 3223.7886096951. The cubic root of 10392813 is about 218.2282839956.
The spelling of 10392813 in words is "ten million, three hundred ninety-two thousand, eight hundred thirteen".
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