Base | Representation |
---|---|
bin | 1000001100100… |
… | …10111111000000 |
3 | 11210101100021201 |
4 | 10012102333000 |
5 | 120100300423 |
6 | 10453430544 |
7 | 1463305660 |
oct | 406227700 |
9 | 153340251 |
10 | 68759488 |
11 | 358a4026 |
12 | 1b03b454 |
13 | 11325cb5 |
14 | 91bc1a0 |
15 | 60832ad |
hex | 4192fc0 |
68759488 has 56 divisors (see below), whose sum is σ = 160999424. Its totient is φ = 28512000.
The previous prime is 68759473. The next prime is 68759491. The reversal of 68759488 is 88495786.
It is a tau number, because it is divible by the number of its divisors (56).
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 11413 + ... + 16363.
Almost surely, 268759488 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68759488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80499712).
68759488 is an abundant number, since it is smaller than the sum of its proper divisors (92239936).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68759488 is a wasteful number, since it uses less digits than its factorization.
68759488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5001 (or 4991 counting only the distinct ones).
The product of its digits is 3870720, while the sum is 55.
The square root of 68759488 is about 8292.1341040772. The cubic root of 68759488 is about 409.6794798158.
The spelling of 68759488 in words is "sixty-eight million, seven hundred fifty-nine thousand, four hundred eighty-eight".
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