Base | Representation |
---|---|
bin | 1001100010111… |
… | …00000110110111 |
3 | 12120122221002021 |
4 | 10301130012313 |
5 | 130444202142 |
6 | 11540054011 |
7 | 1661401312 |
oct | 461340667 |
9 | 176587067 |
10 | 80069047 |
11 | 41219073 |
12 | 22994307 |
13 | 13785946 |
14 | a8c3979 |
15 | 7069267 |
hex | 4c5c1b7 |
80069047 has 2 divisors, whose sum is σ = 80069048. Its totient is φ = 80069046.
The previous prime is 80068993. The next prime is 80069051. The reversal of 80069047 is 74096008.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 80069047 - 215 = 80036279 is a prime.
It is a super-2 number, since 2×800690472 = 12822104574976418, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80069057) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40034523 + 40034524.
It is an arithmetic number, because the mean of its divisors is an integer number (40034524).
Almost surely, 280069047 is an apocalyptic number.
80069047 is a deficient number, since it is larger than the sum of its proper divisors (1).
80069047 is an equidigital number, since it uses as much as digits as its factorization.
80069047 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 80069047 is about 8948.1309221535. The cubic root of 80069047 is about 431.0108667361.
The spelling of 80069047 in words is "eighty million, sixty-nine thousand, forty-seven".
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