Base | Representation |
---|---|
bin | 1000100001111… |
… | …00010111011000 |
3 | 11222122010201201 |
4 | 10100330113120 |
5 | 121304103144 |
6 | 11033323544 |
7 | 1526111551 |
oct | 420742730 |
9 | 158563651 |
10 | 71550424 |
11 | 3742a990 |
12 | 1bb665b4 |
13 | 11a9243a |
14 | 9707328 |
15 | 64351d4 |
hex | 443c5d8 |
71550424 has 96 divisors (see below), whose sum is σ = 161254800. Its totient is φ = 29469440.
The previous prime is 71550419. The next prime is 71550431. The reversal of 71550424 is 42405517.
It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 71550392 and 71550401.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1349982 + ... + 1350034.
Almost surely, 271550424 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 71550424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80627400).
71550424 is an abundant number, since it is smaller than the sum of its proper divisors (89704376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71550424 is a wasteful number, since it uses less digits than its factorization.
71550424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145 (or 118 counting only the distinct ones).
The product of its (nonzero) digits is 5600, while the sum is 28.
The square root of 71550424 is about 8458.7483707698. The cubic root of 71550424 is about 415.1490711376.
The spelling of 71550424 in words is "seventy-one million, five hundred fifty thousand, four hundred twenty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •