Base | Representation |
---|---|
bin | 1000100000000… |
… | …11001100011111 |
3 | 11222012020111210 |
4 | 10100003030133 |
5 | 121224110010 |
6 | 11024315503 |
7 | 1524115053 |
oct | 420031437 |
9 | 158166453 |
10 | 71316255 |
11 | 3728aa5a |
12 | 1ba72b93 |
13 | 11a0c98a |
14 | 9685c63 |
15 | 63dab20 |
hex | 440331f |
71316255 has 16 divisors (see below), whose sum is σ = 115670880. Its totient is φ = 37513728.
The previous prime is 71316247. The next prime is 71316257. The reversal of 71316255 is 55261317.
It is not a de Polignac number, because 71316255 - 23 = 71316247 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71316257) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31470 + ... + 33659.
It is an arithmetic number, because the mean of its divisors is an integer number (7229430).
Almost surely, 271316255 is an apocalyptic number.
71316255 is a deficient number, since it is larger than the sum of its proper divisors (44354625).
71316255 is a wasteful number, since it uses less digits than its factorization.
71316255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65210.
The product of its digits is 6300, while the sum is 30.
The square root of 71316255 is about 8444.8952036127. The cubic root of 71316255 is about 414.6956785732.
The spelling of 71316255 in words is "seventy-one million, three hundred sixteen thousand, two hundred fifty-five".
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