Base | Representation |
---|---|
bin | 1000001100100… |
… | …10111111001100 |
3 | 11210101100022011 |
4 | 10012102333030 |
5 | 120100301000 |
6 | 10453431004 |
7 | 1463306005 |
oct | 406227714 |
9 | 153340264 |
10 | 68759500 |
11 | 358a4037 |
12 | 1b03b464 |
13 | 11325cc4 |
14 | 91bc1ac |
15 | 60832ba |
hex | 4192fcc |
68759500 has 24 divisors (see below), whose sum is σ = 150171840. Its totient is φ = 27503600.
The previous prime is 68759491. The next prime is 68759507. The reversal of 68759500 is 595786.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (68759507) 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 7 ways as a sum of consecutive naturals, for example, 68260 + ... + 69259.
It is an arithmetic number, because the mean of its divisors is an integer number (6257160).
Almost surely, 268759500 is an apocalyptic number.
It is an amenable number.
68759500 is an abundant number, since it is smaller than the sum of its proper divisors (81412340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68759500 is a wasteful number, since it uses less digits than its factorization.
68759500 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 137538 (or 137526 counting only the distinct ones).
The product of its (nonzero) digits is 75600, while the sum is 40.
The square root of 68759500 is about 8292.1348276545. The cubic root of 68759500 is about 409.6795036484.
The spelling of 68759500 in words is "sixty-eight million, seven hundred fifty-nine thousand, five hundred".
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