Base | Representation |
---|---|
bin | 1001100101101… |
… | …10010100111101 |
3 | 12121100201000000 |
4 | 10302312110331 |
5 | 131043013324 |
6 | 11552024513 |
7 | 1664500560 |
oct | 462662475 |
9 | 177321000 |
10 | 80438589 |
11 | 41450780 |
12 | 22b32139 |
13 | 13884bca |
14 | a97c4d7 |
15 | 70dd9c9 |
hex | 4cb653d |
80438589 has 56 divisors (see below), whose sum is σ = 150466752. Its totient is φ = 41757120.
The previous prime is 80438551. The next prime is 80438689. The reversal of 80438589 is 98583408.
It is not a de Polignac number, because 80438589 - 211 = 80436541 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80438539) by changing a digit.
It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 55417 + ... + 56849.
Almost surely, 280438589 is an apocalyptic number.
It is an amenable number.
80438589 is a deficient number, since it is larger than the sum of its proper divisors (70028163).
80438589 is a wasteful number, since it uses less digits than its factorization.
80438589 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1469 (or 1454 counting only the distinct ones).
The product of its (nonzero) digits is 276480, while the sum is 45.
The square root of 80438589 is about 8968.7562682905. The cubic root of 80438589 is about 431.6729295183.
It can be divided in two parts, 804 and 38589, that added together give a palindrome (39393).
The spelling of 80438589 in words is "eighty million, four hundred thirty-eight thousand, five hundred eighty-nine".
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