Base | Representation |
---|---|
bin | 1000011110101… |
… | …10010101110100 |
3 | 11221211220111020 |
4 | 10033112111310 |
5 | 121202220112 |
6 | 11020341140 |
7 | 1522421322 |
oct | 417262564 |
9 | 157756436 |
10 | 71132532 |
11 | 37174a19 |
12 | 1b9a47b0 |
13 | 11977173 |
14 | 9638d12 |
15 | 63a148c |
hex | 43d6574 |
71132532 has 12 divisors (see below), whose sum is σ = 165975936. Its totient is φ = 23710840.
The previous prime is 71132513. The next prime is 71132533. The reversal of 71132532 is 23523117.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71132533) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2963844 + ... + 2963867.
It is an arithmetic number, because the mean of its divisors is an integer number (13831328).
Almost surely, 271132532 is an apocalyptic number.
It is an amenable number.
71132532 is an abundant number, since it is smaller than the sum of its proper divisors (94843404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71132532 is a wasteful number, since it uses less digits than its factorization.
71132532 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5927718 (or 5927716 counting only the distinct ones).
The product of its digits is 1260, while the sum is 24.
The square root of 71132532 is about 8434.0104339513. The cubic root of 71132532 is about 414.3392630856.
Adding to 71132532 its reverse (23523117), we get a palindrome (94655649).
The spelling of 71132532 in words is "seventy-one million, one hundred thirty-two thousand, five hundred thirty-two".
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