Base | Representation |
---|---|
bin | 1000000111010… |
… | …11011101001000 |
3 | 11202002110222220 |
4 | 10003223131020 |
5 | 114411321123 |
6 | 10431014040 |
7 | 1454420253 |
oct | 403533510 |
9 | 152073886 |
10 | 68073288 |
11 | 35475518 |
12 | 1a96a320 |
13 | 1114586a |
14 | 908009a |
15 | 5e99ce3 |
hex | 40eb748 |
68073288 has 16 divisors (see below), whose sum is σ = 170183280. Its totient is φ = 22691088.
The previous prime is 68073283. The next prime is 68073301. The reversal of 68073288 is 88237086.
It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (68073281) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1418170 + ... + 1418217.
It is an arithmetic number, because the mean of its divisors is an integer number (10636455).
Almost surely, 268073288 is an apocalyptic number.
It is an amenable number.
68073288 is an abundant number, since it is smaller than the sum of its proper divisors (102109992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68073288 is a wasteful number, since it uses less digits than its factorization.
68073288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2836396 (or 2836392 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 42.
The square root of 68073288 is about 8250.6537922761. The cubic root of 68073288 is about 408.3120930041.
The spelling of 68073288 in words is "sixty-eight million, seventy-three thousand, two hundred eighty-eight".
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