Base | Representation |
---|---|
bin | 1000100001010… |
… | …01000010100100 |
3 | 11222111010011000 |
4 | 10100221002210 |
5 | 121244040033 |
6 | 11031513300 |
7 | 1525332021 |
oct | 420510244 |
9 | 158433130 |
10 | 71471268 |
11 | 37386470 |
12 | 1bb28830 |
13 | 11a653bb |
14 | 96c6548 |
15 | 641ba13 |
hex | 44290a4 |
71471268 has 48 divisors (see below), whose sum is σ = 202144320. Its totient is φ = 21657600.
The previous prime is 71471237. The next prime is 71471269. The reversal of 71471268 is 86217417.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (71471269) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28893 + ... + 31268.
It is an arithmetic number, because the mean of its divisors is an integer number (4211340).
Almost surely, 271471268 is an apocalyptic number.
It is an amenable number.
71471268 is an abundant number, since it is smaller than the sum of its proper divisors (130673052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71471268 is a wasteful number, since it uses less digits than its factorization.
71471268 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60185 (or 60177 counting only the distinct ones).
The product of its digits is 18816, while the sum is 36.
The square root of 71471268 is about 8454.0681331534. The cubic root of 71471268 is about 414.9959219612.
The spelling of 71471268 in words is "seventy-one million, four hundred seventy-one thousand, two hundred sixty-eight".
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