Base | Representation |
---|---|
bin | 1000100001010… |
… | …00011001100011 |
3 | 11222110222112210 |
4 | 10100220121203 |
5 | 121243444033 |
6 | 11031453203 |
7 | 1525321251 |
oct | 420503143 |
9 | 158428483 |
10 | 71468643 |
11 | 373844a4 |
12 | 1bb27203 |
13 | 11a6414c |
14 | 96c55d1 |
15 | 641ad63 |
hex | 4428663 |
71468643 has 8 divisors (see below), whose sum is σ = 95558400. Its totient is φ = 47512328.
The previous prime is 71468641. The next prime is 71468651. The reversal of 71468643 is 34686417.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 71468643 - 21 = 71468641 is a prime.
It is a super-2 number, since 2×714686432 = 10215533864522898, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (71468641) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32103 + ... + 34256.
It is an arithmetic number, because the mean of its divisors is an integer number (11944800).
Almost surely, 271468643 is an apocalyptic number.
71468643 is a deficient number, since it is larger than the sum of its proper divisors (24089757).
71468643 is a wasteful number, since it uses less digits than its factorization.
71468643 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66721.
The product of its digits is 96768, while the sum is 39.
The square root of 71468643 is about 8453.9128810273. The cubic root of 71468643 is about 414.9908412359.
The spelling of 71468643 in words is "seventy-one million, four hundred sixty-eight thousand, six hundred forty-three".
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