Base | Representation |
---|---|
bin | 1000011111101… |
… | …00000111010010 |
3 | 11222002002202220 |
4 | 10033310013102 |
5 | 121220120412 |
6 | 11023121510 |
7 | 1523440005 |
oct | 417640722 |
9 | 158062686 |
10 | 71254482 |
11 | 37248602 |
12 | 1ba43296 |
13 | 119ba820 |
14 | 966b53c |
15 | 63c768c |
hex | 43f41d2 |
71254482 has 32 divisors (see below), whose sum is σ = 154526400. Its totient is φ = 21773760.
The previous prime is 71254481. The next prime is 71254501. The reversal of 71254482 is 28445217.
It is not an unprimeable number, because it can be changed into a prime (71254481) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8557 + ... + 14687.
It is an arithmetic number, because the mean of its divisors is an integer number (4828950).
Almost surely, 271254482 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 71254482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77263200).
71254482 is an abundant number, since it is smaller than the sum of its proper divisors (83271918).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71254482 is a wasteful number, since it uses less digits than its factorization.
71254482 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6298.
The product of its digits is 17920, while the sum is 33.
The square root of 71254482 is about 8441.2369946590. The cubic root of 71254482 is about 414.5759097302.
Adding to 71254482 its reverse (28445217), we get a palindrome (99699699).
The spelling of 71254482 in words is "seventy-one million, two hundred fifty-four thousand, four hundred eighty-two".
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