Base | Representation |
---|---|
bin | 1001101001101… |
… | …11101110001011 |
3 | 12122100122000120 |
4 | 10310313232023 |
5 | 131211443322 |
6 | 12011234323 |
7 | 2002136010 |
oct | 464675613 |
9 | 178318016 |
10 | 80968587 |
11 | 41782997 |
12 | 231489a3 |
13 | 13a0c20b |
14 | aa79707 |
15 | 7195a5c |
hex | 4d37b8b |
80968587 has 8 divisors (see below), whose sum is σ = 123380736. Its totient is φ = 46267752.
The previous prime is 80968583. The next prime is 80968597. The reversal of 80968587 is 78586908.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80968587 - 22 = 80968583 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80968583) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1927803 + ... + 1927844.
It is an arithmetic number, because the mean of its divisors is an integer number (15422592).
Almost surely, 280968587 is an apocalyptic number.
80968587 is a deficient number, since it is larger than the sum of its proper divisors (42412149).
80968587 is a wasteful number, since it uses less digits than its factorization.
80968587 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3855657.
The product of its (nonzero) digits is 967680, while the sum is 51.
The square root of 80968587 is about 8998.2546641001. The cubic root of 80968587 is about 432.6189312852.
It can be divided in two parts, 809 and 68587, that added together give a palindrome (69396).
The spelling of 80968587 in words is "eighty million, nine hundred sixty-eight thousand, five hundred eighty-seven".
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