Base | Representation |
---|---|
bin | 1000100001010… |
… | …00110010110100 |
3 | 11222111001202200 |
4 | 10100220302310 |
5 | 121244022020 |
6 | 11031504500 |
7 | 1525326051 |
oct | 420506264 |
9 | 158431680 |
10 | 71470260 |
11 | 37385734 |
12 | 1bb28130 |
13 | 11a64ac4 |
14 | 96c6028 |
15 | 641b590 |
hex | 4428cb4 |
71470260 has 36 divisors (see below), whose sum is σ = 216793668. Its totient is φ = 19058688.
The previous prime is 71470249. The next prime is 71470291. The reversal of 71470260 is 6207417.
It can be written as a sum of positive squares in 2 ways, for example, as 25826724 + 45643536 = 5082^2 + 6756^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198349 + ... + 198708.
Almost surely, 271470260 is an apocalyptic number.
It is an amenable number.
71470260 is an abundant number, since it is smaller than the sum of its proper divisors (145323408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71470260 is a wasteful number, since it uses less digits than its factorization.
71470260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 397072 (or 397067 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 27.
The square root of 71470260 is about 8454.0085166742. The cubic root of 71470260 is about 414.9939709774.
Adding to 71470260 its reverse (6207417), we get a palindrome (77677677).
The spelling of 71470260 in words is "seventy-one million, four hundred seventy thousand, two hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •