Base | Representation |
---|---|
bin | 111010100000000… |
… | …011101001010111 |
3 | 2112101211110021211 |
4 | 322200003221113 |
5 | 4002224411241 |
6 | 241220322251 |
7 | 33215313523 |
oct | 7240035127 |
9 | 2471743254 |
10 | 981482071 |
11 | 464026009 |
12 | 234843387 |
13 | 12845552b |
14 | 944cad83 |
15 | 5b274781 |
hex | 3a803a57 |
981482071 has 2 divisors, whose sum is σ = 981482072. Its totient is φ = 981482070.
The previous prime is 981481957. The next prime is 981482087. The reversal of 981482071 is 170284189.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 981482071 - 29 = 981481559 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (984482071) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490741035 + 490741036.
It is an arithmetic number, because the mean of its divisors is an integer number (490741036).
Almost surely, 2981482071 is an apocalyptic number.
981482071 is a deficient number, since it is larger than the sum of its proper divisors (1).
981482071 is an equidigital number, since it uses as much as digits as its factorization.
981482071 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 32256, while the sum is 40.
The square root of 981482071 is about 31328.6142527881. The cubic root of 981482071 is about 993.7888585941.
The spelling of 981482071 in words is "nine hundred eighty-one million, four hundred eighty-two thousand, seventy-one".
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