Base | Representation |
---|---|
bin | 1000011111100… |
… | …01000011101110 |
3 | 11222001110121100 |
4 | 10033301003232 |
5 | 121214220331 |
6 | 11022543530 |
7 | 1523355345 |
oct | 417610356 |
9 | 158043540 |
10 | 71241966 |
11 | 3723a164 |
12 | 1ba37ba6 |
13 | 119b4c13 |
14 | 9666b5c |
15 | 63c3ae6 |
hex | 43f10ee |
71241966 has 48 divisors (see below), whose sum is σ = 157528800. Its totient is φ = 23265600.
The previous prime is 71241959. The next prime is 71241967. The reversal of 71241966 is 66914217.
It is a self number, because there is not a number n which added to its sum of digits gives 71241966.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71241967) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 270751 + ... + 271013.
It is an arithmetic number, because the mean of its divisors is an integer number (3281850).
Almost surely, 271241966 is an apocalyptic number.
71241966 is an abundant number, since it is smaller than the sum of its proper divisors (86286834).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71241966 is a wasteful number, since it uses less digits than its factorization.
71241966 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 521 (or 518 counting only the distinct ones).
The product of its digits is 18144, while the sum is 36.
The square root of 71241966 is about 8440.4956015627. The cubic root of 71241966 is about 414.5516345979.
The spelling of 71241966 in words is "seventy-one million, two hundred forty-one thousand, nine hundred sixty-six".
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