Base | Representation |
---|---|
bin | 1000100011001… |
… | …00011010111001 |
3 | 11222221110210012 |
4 | 10101210122321 |
5 | 121324330424 |
6 | 11041031305 |
7 | 1530364100 |
oct | 421443271 |
9 | 158843705 |
10 | 71714489 |
11 | 37532180 |
12 | 20025535 |
13 | 11b1c012 |
14 | 974b037 |
15 | 6468b0e |
hex | 44646b9 |
71714489 has 12 divisors (see below), whose sum is σ = 91007568. Its totient is φ = 55881000.
The previous prime is 71714429. The next prime is 71714507. The reversal of 71714489 is 98441717.
It is not a de Polignac number, because 71714489 - 212 = 71710393 is a prime.
It is a super-2 number, since 2×717144892 = 10285935865062242, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (71714429) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65987 + ... + 67064.
It is an arithmetic number, because the mean of its divisors is an integer number (7583964).
Almost surely, 271714489 is an apocalyptic number.
It is an amenable number.
71714489 is a deficient number, since it is larger than the sum of its proper divisors (19293079).
71714489 is a wasteful number, since it uses less digits than its factorization.
71714489 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 133076 (or 133069 counting only the distinct ones).
The product of its digits is 56448, while the sum is 41.
The square root of 71714489 is about 8468.4407655719. The cubic root of 71714489 is about 415.4661409511.
The spelling of 71714489 in words is "seventy-one million, seven hundred fourteen thousand, four hundred eighty-nine".
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