Base | Representation |
---|---|
bin | 1000011110011… |
… | …11010010110101 |
3 | 11221210102220020 |
4 | 10033033102311 |
5 | 121200304134 |
6 | 11015555353 |
7 | 1522241220 |
oct | 417172265 |
9 | 157712806 |
10 | 71103669 |
11 | 3715526a |
12 | 1b98bb59 |
13 | 11966ca0 |
14 | 962c5b7 |
15 | 6397b49 |
hex | 43cf4b5 |
71103669 has 16 divisors (see below), whose sum is σ = 116683392. Its totient is φ = 37505088.
The previous prime is 71103667. The next prime is 71103671. The reversal of 71103669 is 96630117.
It is an interprime number because it is at equal distance from previous prime (71103667) and next prime (71103671).
It is not a de Polignac number, because 71103669 - 21 = 71103667 is a prime.
It is a super-2 number, since 2×711036692 = 10111463490523122, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71103661) 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, 129954 + ... + 130499.
It is an arithmetic number, because the mean of its divisors is an integer number (7292712).
Almost surely, 271103669 is an apocalyptic number.
It is an amenable number.
71103669 is a deficient number, since it is larger than the sum of its proper divisors (45579723).
71103669 is a wasteful number, since it uses less digits than its factorization.
71103669 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 260476.
The product of its (nonzero) digits is 6804, while the sum is 33.
The square root of 71103669 is about 8432.2991526629. The cubic root of 71103669 is about 414.2832142253.
It can be divided in two parts, 71 and 103669, that added together give a triangular number (103740 = T455).
The spelling of 71103669 in words is "seventy-one million, one hundred three thousand, six hundred sixty-nine".
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