Base | Representation |
---|---|
bin | 1000011110011… |
… | …10100000000111 |
3 | 11221210021110000 |
4 | 10033032200013 |
5 | 121200203143 |
6 | 11015532343 |
7 | 1522225602 |
oct | 417164007 |
9 | 157707400 |
10 | 71100423 |
11 | 37152889 |
12 | 1b98a0b3 |
13 | 11965674 |
14 | 962b339 |
15 | 6396bd3 |
hex | 43ce807 |
71100423 has 10 divisors (see below), whose sum is σ = 106211864. Its totient is φ = 47400228.
The previous prime is 71100389. The next prime is 71100427. The reversal of 71100423 is 32400117.
It is not a de Polignac number, because 71100423 - 28 = 71100167 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 71100396 and 71100405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71100427) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 438811 + ... + 438972.
Almost surely, 271100423 is an apocalyptic number.
71100423 is a deficient number, since it is larger than the sum of its proper divisors (35111441).
71100423 is an equidigital number, since it uses as much as digits as its factorization.
71100423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 877795 (or 877786 counting only the distinct ones).
The product of its (nonzero) digits is 168, while the sum is 18.
The square root of 71100423 is about 8432.1066762702. The cubic root of 71100423 is about 414.2769098916.
The spelling of 71100423 in words is "seventy-one million, one hundred thousand, four hundred twenty-three".
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