Base | Representation |
---|---|
bin | 1001100011110… |
… | …11011101110101 |
3 | 12120220110021112 |
4 | 10301323131311 |
5 | 131012304433 |
6 | 11542524405 |
7 | 1662444635 |
oct | 461733565 |
9 | 176813245 |
10 | 80197493 |
11 | 412a6622 |
12 | 22a36705 |
13 | 137cc24c |
14 | a9186c5 |
15 | 7092348 |
hex | 4c7b775 |
80197493 has 8 divisors (see below), whose sum is σ = 81661440. Its totient is φ = 78738480.
The previous prime is 80197477. The next prime is 80197501. The reversal of 80197493 is 39479108.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80197493 - 24 = 80197477 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 80197493.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80197393) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50396 + ... + 51962.
It is an arithmetic number, because the mean of its divisors is an integer number (10207680).
Almost surely, 280197493 is an apocalyptic number.
It is an amenable number.
80197493 is a deficient number, since it is larger than the sum of its proper divisors (1463947).
80197493 is a wasteful number, since it uses less digits than its factorization.
80197493 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2467.
The product of its (nonzero) digits is 54432, while the sum is 41.
The square root of 80197493 is about 8955.3052990951. The cubic root of 80197493 is about 431.2412181086.
The spelling of 80197493 in words is "eighty million, one hundred ninety-seven thousand, four hundred ninety-three".
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