Base | Representation |
---|---|
bin | 1000100100100… |
… | …00101010111010 |
3 | 12000021200102010 |
4 | 10102100222322 |
5 | 121401130423 |
6 | 11044550350 |
7 | 1532050365 |
oct | 422205272 |
9 | 160250363 |
10 | 71895738 |
11 | 37646372 |
12 | 200b23b6 |
13 | 11b83675 |
14 | 97970dc |
15 | 64a2693 |
hex | 4490aba |
71895738 has 8 divisors (see below), whose sum is σ = 143791488. Its totient is φ = 23965244.
The previous prime is 71895731. The next prime is 71895743. The reversal of 71895738 is 83759817.
It is a sphenic number, since it is the product of 3 distinct primes.
71895738 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (71895731) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5991306 + ... + 5991317.
It is an arithmetic number, because the mean of its divisors is an integer number (17973936).
Almost surely, 271895738 is an apocalyptic number.
71895738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71895738 is a wasteful number, since it uses less digits than its factorization.
71895738 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11982628.
The product of its digits is 423360, while the sum is 48.
The square root of 71895738 is about 8479.1354512120. The cubic root of 71895738 is about 415.8158586219.
The spelling of 71895738 in words is "seventy-one million, eight hundred ninety-five thousand, seven hundred thirty-eight".
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