Base | Representation |
---|---|
bin | 1001001010100… |
… | …11101011101100 |
3 | 12100200100121210 |
4 | 10211103223230 |
5 | 124140420222 |
6 | 11343554420 |
7 | 1622354430 |
oct | 445235354 |
9 | 170610553 |
10 | 76888812 |
11 | 3a446780 |
12 | 218bba10 |
13 | 12c11250 |
14 | a2d69c0 |
15 | 6b3bd0c |
hex | 4953aec |
76888812 has 192 divisors, whose sum is σ = 248822784. Its totient is φ = 17832960.
The previous prime is 76888789. The next prime is 76888813. The reversal of 76888812 is 21888867.
It is not an unprimeable number, because it can be changed into a prime (76888813) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 444358 + ... + 444530.
It is an arithmetic number, because the mean of its divisors is an integer number (1295952).
Almost surely, 276888812 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 76888812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124411392).
76888812 is an abundant number, since it is smaller than the sum of its proper divisors (171933972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
76888812 is a wasteful number, since it uses less digits than its factorization.
76888812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 248 (or 246 counting only the distinct ones).
The product of its digits is 344064, while the sum is 48.
The square root of 76888812 is about 8768.6265743274. The cubic root of 76888812 is about 425.2272132232.
Subtracting from 76888812 its reverse (21888867), we obtain a palindrome (54999945).
It can be divided in two parts, 76 and 888812, that added together give a palindrome (888888).
The spelling of 76888812 in words is "seventy-six million, eight hundred eighty-eight thousand, eight hundred twelve".
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