Base | Representation |
---|---|
bin | 1000011101110… |
… | …01111101000101 |
3 | 11221121222222220 |
4 | 10032321331011 |
5 | 121140010021 |
6 | 11014042553 |
7 | 1521425331 |
oct | 416717505 |
9 | 157558886 |
10 | 71016261 |
11 | 370a5628 |
12 | 1b949459 |
13 | 11936274 |
14 | 96087c1 |
15 | 637bcc6 |
hex | 43b9f45 |
71016261 has 8 divisors (see below), whose sum is σ = 96240864. Its totient is φ = 46567920.
The previous prime is 71016247. The next prime is 71016277. The reversal of 71016261 is 16261017.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-71016261 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71016761) 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, 193851 + ... + 194216.
It is an arithmetic number, because the mean of its divisors is an integer number (12030108).
Almost surely, 271016261 is an apocalyptic number.
It is an amenable number.
71016261 is a deficient number, since it is larger than the sum of its proper divisors (25224603).
71016261 is a wasteful number, since it uses less digits than its factorization.
71016261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 388131.
The product of its (nonzero) digits is 504, while the sum is 24.
The square root of 71016261 is about 8427.1146307618. The cubic root of 71016261 is about 414.1133846595.
Adding to 71016261 its reverse (16261017), we get a palindrome (87277278).
The spelling of 71016261 in words is "seventy-one million, sixteen thousand, two hundred sixty-one".
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