Base | Representation |
---|---|
bin | 1001100010111… |
… | …00110100000101 |
3 | 12120200002001110 |
4 | 10301130310011 |
5 | 130444300231 |
6 | 11540115233 |
7 | 1661412615 |
oct | 461346405 |
9 | 176602043 |
10 | 80071941 |
11 | 41220264 |
12 | 22995b19 |
13 | 13787061 |
14 | a8c4a45 |
15 | 706a046 |
hex | 4c5cd05 |
80071941 has 8 divisors (see below), whose sum is σ = 107242240. Its totient is φ = 53141472.
The previous prime is 80071939. The next prime is 80071949. The reversal of 80071941 is 14917008.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80071941 - 21 = 80071939 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 80071899 and 80071908.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80071949) 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, 59176 + ... + 60513.
It is an arithmetic number, because the mean of its divisors is an integer number (13405280).
Almost surely, 280071941 is an apocalyptic number.
It is an amenable number.
80071941 is a deficient number, since it is larger than the sum of its proper divisors (27170299).
80071941 is a wasteful number, since it uses less digits than its factorization.
80071941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 119915.
The product of its (nonzero) digits is 2016, while the sum is 30.
The square root of 80071941 is about 8948.2926304407. The cubic root of 80071941 is about 431.0160594644.
Adding to 80071941 its reverse (14917008), we get a palindrome (94988949).
The spelling of 80071941 in words is "eighty million, seventy-one thousand, nine hundred forty-one".
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