Base | Representation |
---|---|
bin | 1001101001000… |
… | …00101001011101 |
3 | 12122011211101012 |
4 | 10310200221131 |
5 | 131200432302 |
6 | 12005225005 |
7 | 2001263324 |
oct | 464405135 |
9 | 178154335 |
10 | 80874077 |
11 | 41718989 |
12 | 23102165 |
13 | 139a81ab |
14 | aa530bb |
15 | 7177a52 |
hex | 4d20a5d |
80874077 has 2 divisors, whose sum is σ = 80874078. Its totient is φ = 80874076.
The previous prime is 80874047. The next prime is 80874091. The reversal of 80874077 is 77047808.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 76405081 + 4468996 = 8741^2 + 2114^2 .
It is a cyclic number.
It is not a de Polignac number, because 80874077 - 210 = 80873053 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80874007) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40437038 + 40437039.
It is an arithmetic number, because the mean of its divisors is an integer number (40437039).
Almost surely, 280874077 is an apocalyptic number.
It is an amenable number.
80874077 is a deficient number, since it is larger than the sum of its proper divisors (1).
80874077 is an equidigital number, since it uses as much as digits as its factorization.
80874077 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 87808, while the sum is 41.
The square root of 80874077 is about 8993.0015567662. The cubic root of 80874077 is about 432.4505419739.
The spelling of 80874077 in words is "eighty million, eight hundred seventy-four thousand, seventy-seven".
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