Base | Representation |
---|---|
bin | 11110001100101100111001 |
3 | 112220012011222 |
4 | 132030230321 |
5 | 4011310340 |
6 | 441401425 |
7 | 124200503 |
oct | 36145471 |
9 | 15805158 |
10 | 7916345 |
11 | 4517738 |
12 | 2799275 |
13 | 1842338 |
14 | 10a0d73 |
15 | a658b5 |
hex | 78cb39 |
7916345 has 8 divisors (see below), whose sum is σ = 9679176. Its totient is φ = 6213376.
The previous prime is 7916341. The next prime is 7916357. The reversal of 7916345 is 5436197.
It can be written as a sum of positive squares in 4 ways, for example, as 3523129 + 4393216 = 1877^2 + 2096^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 7916345 - 22 = 7916341 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7916341) 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 7 ways as a sum of consecutive naturals, for example, 14672 + ... + 15201.
It is an arithmetic number, because the mean of its divisors is an integer number (1209897).
Almost surely, 27916345 is an apocalyptic number.
It is an amenable number.
7916345 is a deficient number, since it is larger than the sum of its proper divisors (1762831).
7916345 is a wasteful number, since it uses less digits than its factorization.
7916345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29931.
The product of its digits is 22680, while the sum is 35.
The square root of 7916345 is about 2813.6000071083. The cubic root of 7916345 is about 199.3004308682.
The spelling of 7916345 in words is "seven million, nine hundred sixteen thousand, three hundred forty-five".
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