Base | Representation |
---|---|
bin | 1000100010111… |
… | …11010110101101 |
3 | 11222220102022202 |
4 | 10101133112231 |
5 | 121323144431 |
6 | 11040351245 |
7 | 1530246440 |
oct | 421372655 |
9 | 158812282 |
10 | 71693741 |
11 | 37518629 |
12 | 20015525 |
13 | 11b12742 |
14 | 9743657 |
15 | 64628cb |
hex | 445f5ad |
71693741 has 8 divisors (see below), whose sum is σ = 83090304. Its totient is φ = 60585840.
The previous prime is 71693723. The next prime is 71693747. The reversal of 71693741 is 14739617.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 71693741 - 218 = 71431597 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 71693695 and 71693704.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71693747) 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, 71630 + ... + 72623.
It is an arithmetic number, because the mean of its divisors is an integer number (10386288).
Almost surely, 271693741 is an apocalyptic number.
71693741 is a gapful number since it is divisible by the number (71) formed by its first and last digit.
It is an amenable number.
71693741 is a deficient number, since it is larger than the sum of its proper divisors (11396563).
71693741 is a wasteful number, since it uses less digits than its factorization.
71693741 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 144331.
The product of its digits is 31752, while the sum is 38.
The square root of 71693741 is about 8467.2156580543. The cubic root of 71693741 is about 415.4260703738.
The spelling of 71693741 in words is "seventy-one million, six hundred ninety-three thousand, seven hundred forty-one".
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