Base | Representation |
---|---|
bin | 11010001000101… |
… | …010110011000100 |
3 | 1010120002002120112 |
4 | 122020222303010 |
5 | 1344222330233 |
6 | 111302052152 |
7 | 13603006355 |
oct | 3210526304 |
9 | 1116062515 |
10 | 438480068 |
11 | 205568624 |
12 | 102a1a058 |
13 | 6cac5380 |
14 | 4233dd2c |
15 | 28765048 |
hex | 1a22acc4 |
438480068 has 12 divisors (see below), whose sum is σ = 826366380. Its totient is φ = 202375392.
The previous prime is 438480019. The next prime is 438480079. The reversal of 438480068 is 860084834.
It can be written as a sum of positive squares in 2 ways, for example, as 293711044 + 144769024 = 17138^2 + 12032^2 .
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, 4216103 + ... + 4216206.
It is an arithmetic number, because the mean of its divisors is an integer number (68863865).
Almost surely, 2438480068 is an apocalyptic number.
It is an amenable number.
438480068 is a deficient number, since it is larger than the sum of its proper divisors (387886312).
438480068 is a wasteful number, since it uses less digits than its factorization.
438480068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8432326 (or 8432324 counting only the distinct ones).
The product of its (nonzero) digits is 147456, while the sum is 41.
The square root of 438480068 is about 20939.9156636315. The cubic root of 438480068 is about 759.7136894756.
The spelling of 438480068 in words is "four hundred thirty-eight million, four hundred eighty thousand, sixty-eight".
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