Base | Representation |
---|---|
bin | 1000011110100… |
… | …00111001100010 |
3 | 11221210202220200 |
4 | 10033100321202 |
5 | 121201011432 |
6 | 11020050030 |
7 | 1522266330 |
oct | 417207142 |
9 | 157722820 |
10 | 71110242 |
11 | 3715a1a5 |
12 | 1b993916 |
13 | 11969c88 |
14 | 9630b50 |
15 | 6399a7c |
hex | 43d0e62 |
71110242 has 24 divisors (see below), whose sum is σ = 176082816. Its totient is φ = 20317176.
The previous prime is 71110241. The next prime is 71110253. The reversal of 71110242 is 24201117.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71110241) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282058 + ... + 282309.
It is an arithmetic number, because the mean of its divisors is an integer number (7336784).
Almost surely, 271110242 is an apocalyptic number.
71110242 is an abundant number, since it is smaller than the sum of its proper divisors (104972574).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71110242 is a wasteful number, since it uses less digits than its factorization.
71110242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 564382 (or 564379 counting only the distinct ones).
The product of its (nonzero) digits is 112, while the sum is 18.
The square root of 71110242 is about 8432.6888950085. The cubic root of 71110242 is about 414.2959796222.
Adding to 71110242 its reverse (24201117), we get a palindrome (95311359).
The spelling of 71110242 in words is "seventy-one million, one hundred ten thousand, two hundred forty-two".
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