Base | Representation |
---|---|
bin | 1000001010111… |
… | …10100101111000 |
3 | 11202222102220120 |
4 | 10011132211320 |
5 | 120021414023 |
6 | 10445053240 |
7 | 1461423216 |
oct | 405364570 |
9 | 152872816 |
10 | 68544888 |
11 | 35767875 |
12 | 1ab57220 |
13 | 1127c409 |
14 | 9163cb6 |
15 | 603e8e3 |
hex | 415e978 |
68544888 has 16 divisors (see below), whose sum is σ = 171362280. Its totient is φ = 22848288.
The previous prime is 68544887. The next prime is 68544943. The reversal of 68544888 is 88844586.
It is a self number, because there is not a number n which added to its sum of digits gives 68544888.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68544887) 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 3 ways as a sum of consecutive naturals, for example, 1427995 + ... + 1428042.
Almost surely, 268544888 is an apocalyptic number.
It is an amenable number.
68544888 is an abundant number, since it is smaller than the sum of its proper divisors (102817392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68544888 is a wasteful number, since it uses less digits than its factorization.
68544888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2856046 (or 2856042 counting only the distinct ones).
The product of its digits is 1966080, while the sum is 51.
The square root of 68544888 is about 8279.1840177641. The cubic root of 68544888 is about 409.2528291733.
The spelling of 68544888 in words is "sixty-eight million, five hundred forty-four thousand, eight hundred eighty-eight".
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