Base | Representation |
---|---|
bin | 1000001010100… |
… | …10010111101000 |
3 | 11202212220020100 |
4 | 10011102113220 |
5 | 120013313244 |
6 | 10444025400 |
7 | 1461124236 |
oct | 405222750 |
9 | 152786210 |
10 | 68494824 |
11 | 357331a2 |
12 | 1ab32260 |
13 | 112626a8 |
14 | 914d956 |
15 | 602eb69 |
hex | 41525e8 |
68494824 has 48 divisors (see below), whose sum is σ = 186154020. Its totient is φ = 22752000.
The previous prime is 68494813. The next prime is 68494843. The reversal of 68494824 is 42849486.
It can be written as a sum of positive squares in 2 ways, for example, as 64160100 + 4334724 = 8010^2 + 2082^2 .
It is a nude number because it is divisible by every one of its digits.
It is a self number, because there is not a number n which added to its sum of digits gives 68494824.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21324 + ... + 24324.
Almost surely, 268494824 is an apocalyptic number.
It is an amenable number.
68494824 is an abundant number, since it is smaller than the sum of its proper divisors (117659196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68494824 is a wasteful number, since it uses less digits than its factorization.
68494824 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3330 (or 3323 counting only the distinct ones).
The product of its digits is 442368, while the sum is 45.
The square root of 68494824 is about 8276.1599791208. The cubic root of 68494824 is about 409.1531678443.
It can be divided in two parts, 6849482 and 4, that added together give a palindrome (6849486).
The spelling of 68494824 in words is "sixty-eight million, four hundred ninety-four thousand, eight hundred twenty-four".
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