Base | Representation |
---|---|
bin | 1000001001101… |
… | …00100011101000 |
3 | 11202122200201200 |
4 | 10010310203220 |
5 | 120000411322 |
6 | 10441244200 |
7 | 1460105232 |
oct | 404644350 |
9 | 152580650 |
10 | 68372712 |
11 | 3565a481 |
12 | 1aa93660 |
13 | 1121bc35 |
14 | 911b252 |
15 | 60088ac |
hex | 41348e8 |
68372712 has 24 divisors (see below), whose sum is σ = 185176290. Its totient is φ = 22790880.
The previous prime is 68372693. The next prime is 68372723. The reversal of 68372712 is 21727386.
It can be written as a sum of positive squares in only one way, i.e., 61685316 + 6687396 = 7854^2 + 2586^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 474739 + ... + 474882.
Almost surely, 268372712 is an apocalyptic number.
It is an amenable number.
68372712 is an abundant number, since it is smaller than the sum of its proper divisors (116803578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68372712 is a wasteful number, since it uses less digits than its factorization.
68372712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 949633 (or 949626 counting only the distinct ones).
The product of its digits is 28224, while the sum is 36.
The square root of 68372712 is about 8268.7793536894. The cubic root of 68372712 is about 408.9098782590.
The spelling of 68372712 in words is "sixty-eight million, three hundred seventy-two thousand, seven hundred twelve".
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