Base | Representation |
---|---|
bin | 1000100001001… |
… | …10011000100100 |
3 | 11222110120020001 |
4 | 10100212120210 |
5 | 121243213023 |
6 | 11031351044 |
7 | 1525255216 |
oct | 420463044 |
9 | 158416201 |
10 | 71460388 |
11 | 3737927a |
12 | 1bb22484 |
13 | 11a6046c |
14 | 96c25b6 |
15 | 64186ad |
hex | 4426624 |
71460388 has 12 divisors (see below), whose sum is σ = 125522460. Its totient is φ = 35596832.
The previous prime is 71460383. The next prime is 71460419. The reversal of 71460388 is 88306417.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 11985444 + 59474944 = 3462^2 + 7712^2 .
It is a super-2 number, since 2×714603882 = 10213174106221088, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (71460383) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32131 + ... + 34282.
It is an arithmetic number, because the mean of its divisors is an integer number (10460205).
Almost surely, 271460388 is an apocalyptic number.
It is an amenable number.
71460388 is a deficient number, since it is larger than the sum of its proper divisors (54062072).
71460388 is a wasteful number, since it uses less digits than its factorization.
71460388 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66686 (or 66684 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 37.
The square root of 71460388 is about 8453.4246314733. The cubic root of 71460388 is about 414.9748627538.
The spelling of 71460388 in words is "seventy-one million, four hundred sixty thousand, three hundred eighty-eight".
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