Base | Representation |
---|---|
bin | 1000011111011… |
… | …01010001110110 |
3 | 11222000200101000 |
4 | 10033231101312 |
5 | 121213221421 |
6 | 11022344130 |
7 | 1523262252 |
oct | 417552166 |
9 | 158020330 |
10 | 71226486 |
11 | 37229571 |
12 | 1ba2b046 |
13 | 119aab66 |
14 | 9661262 |
15 | 63be226 |
hex | 43ed476 |
71226486 has 32 divisors (see below), whose sum is σ = 159746400. Its totient is φ = 23522400.
The previous prime is 71226461. The next prime is 71226487. The reversal of 71226486 is 68462217.
71226486 is a `hidden beast` number, since 7 + 1 + 2 + 2 + 648 + 6 = 666.
It is a super-4 number, since 4×712264864 (a number of 33 digits) contains 4444 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 71226486.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71226487) 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, 165 + ... + 11936.
It is an arithmetic number, because the mean of its divisors is an integer number (4992075).
Almost surely, 271226486 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 71226486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79873200).
71226486 is an abundant number, since it is smaller than the sum of its proper divisors (88519914).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71226486 is a wasteful number, since it uses less digits than its factorization.
71226486 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12221 (or 12215 counting only the distinct ones).
The product of its digits is 32256, while the sum is 36.
The square root of 71226486 is about 8439.5785439796. The cubic root of 71226486 is about 414.5216067715.
The spelling of 71226486 in words is "seventy-one million, two hundred twenty-six thousand, four hundred eighty-six".
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