Base | Representation |
---|---|
bin | 1001100101001… |
… | …10001001110101 |
3 | 12121020100010101 |
4 | 10302212021311 |
5 | 131033403331 |
6 | 11550354101 |
7 | 1664103460 |
oct | 462461165 |
9 | 177210111 |
10 | 80372341 |
11 | 41405a25 |
12 | 22abb931 |
13 | 138609ca |
14 | a9622d7 |
15 | 70c9061 |
hex | 4ca6275 |
80372341 has 16 divisors (see below), whose sum is σ = 94647168. Its totient is φ = 66816000.
The previous prime is 80372323. The next prime is 80372353. The reversal of 80372341 is 14327308.
It is a 6-Lehmer number, since φ(80372341) divides (80372341-1)6.
It is a cyclic number.
It is not a de Polignac number, because 80372341 - 29 = 80371829 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80372371) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54666 + ... + 56116.
It is an arithmetic number, because the mean of its divisors is an integer number (5915448).
Almost surely, 280372341 is an apocalyptic number.
It is an amenable number.
80372341 is a deficient number, since it is larger than the sum of its proper divisors (14274827).
80372341 is a wasteful number, since it uses less digits than its factorization.
80372341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1692.
The product of its (nonzero) digits is 4032, while the sum is 28.
The square root of 80372341 is about 8965.0622418364. The cubic root of 80372341 is about 431.5543905475.
Adding to 80372341 its reverse (14327308), we get a palindrome (94699649).
The spelling of 80372341 in words is "eighty million, three hundred seventy-two thousand, three hundred forty-one".
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