Base | Representation |
---|---|
bin | 1000011111101… |
… | …00111111000101 |
3 | 11222002021200011 |
4 | 10033310333011 |
5 | 121220224203 |
6 | 11023150221 |
7 | 1523453266 |
oct | 417647705 |
9 | 158067604 |
10 | 71258053 |
11 | 37250259 |
12 | 1ba45371 |
13 | 119bc339 |
14 | 966c96d |
15 | 63c876d |
hex | 43f4fc5 |
71258053 has 2 divisors, whose sum is σ = 71258054. Its totient is φ = 71258052.
The previous prime is 71258029. The next prime is 71258059. The reversal of 71258053 is 35085217.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 70845889 + 412164 = 8417^2 + 642^2 .
It is a cyclic number.
It is not a de Polignac number, because 71258053 - 25 = 71258021 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (71258059) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35629026 + 35629027.
It is an arithmetic number, because the mean of its divisors is an integer number (35629027).
Almost surely, 271258053 is an apocalyptic number.
It is an amenable number.
71258053 is a deficient number, since it is larger than the sum of its proper divisors (1).
71258053 is an equidigital number, since it uses as much as digits as its factorization.
71258053 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8400, while the sum is 31.
The square root of 71258053 is about 8441.4485131404. The cubic root of 71258053 is about 414.5828352634.
The spelling of 71258053 in words is "seventy-one million, two hundred fifty-eight thousand, fifty-three".
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