Base | Representation |
---|---|
bin | 11111110001010011000001 |
3 | 120200010101201 |
4 | 133301103001 |
5 | 4113002020 |
6 | 454301201 |
7 | 130535002 |
oct | 37612301 |
9 | 16603351 |
10 | 8328385 |
11 | 477926a |
12 | 2957801 |
13 | 1957a50 |
14 | 116b1a9 |
15 | ae7a0a |
hex | 7f14c1 |
8328385 has 16 divisors (see below), whose sum is σ = 11397456. Its totient is φ = 5787648.
The previous prime is 8328377. The next prime is 8328389. The reversal of 8328385 is 5838238.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 194481 + 8133904 = 441^2 + 2852^2 .
It is a cyclic number.
It is not a de Polignac number, because 8328385 - 23 = 8328377 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8328389) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2664 + ... + 4873.
It is an arithmetic number, because the mean of its divisors is an integer number (712341).
Almost surely, 28328385 is an apocalyptic number.
8328385 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
8328385 is a deficient number, since it is larger than the sum of its proper divisors (3069071).
8328385 is a wasteful number, since it uses less digits than its factorization.
8328385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7572.
The product of its digits is 46080, while the sum is 37.
The square root of 8328385 is about 2885.8941422027. The cubic root of 8328385 is about 202.6999295565.
The spelling of 8328385 in words is "eight million, three hundred twenty-eight thousand, three hundred eighty-five".
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