Base | Representation |
---|---|
bin | 1000001101100… |
… | …11111110000000 |
3 | 11210122012121120 |
4 | 10012303332000 |
5 | 120114111332 |
6 | 10500352240 |
7 | 1464410604 |
oct | 406637600 |
9 | 153565546 |
10 | 68894592 |
11 | 35986588 |
12 | 1b0a5680 |
13 | 11372640 |
14 | 9215504 |
15 | 60ad32c |
hex | 41b3f80 |
68894592 has 128 divisors (see below), whose sum is σ = 202947360. Its totient is φ = 20570112.
The previous prime is 68894587. The next prime is 68894597. The reversal of 68894592 is 29549886.
It is an interprime number because it is at equal distance from previous prime (68894587) and next prime (68894597).
It is a tau number, because it is divible by the number of its divisors (128).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68894597) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184518 + ... + 184890.
Almost surely, 268894592 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 68894592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101473680).
68894592 is an abundant number, since it is smaller than the sum of its proper divisors (134052768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68894592 is a wasteful number, since it uses less digits than its factorization.
68894592 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 440 (or 428 counting only the distinct ones).
The product of its digits is 1244160, while the sum is 51.
The square root of 68894592 is about 8300.2766218964. The cubic root of 68894592 is about 409.9476276550.
The spelling of 68894592 in words is "sixty-eight million, eight hundred ninety-four thousand, five hundred ninety-two".
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