Search a number
-
+
71334071 = 611169411
BaseRepresentation
bin1000100000001…
…11100010110111
311222020010221122
410100013202313
5121230142241
611024534155
71524221024
oct420074267
9158203848
1071334071
11372a2386
121ba8135b
1311a17b13
14968c54b
1563e104b
hex44078b7

71334071 has 4 divisors (see below), whose sum is σ = 72503544. Its totient is φ = 70164600.

The previous prime is 71334031. The next prime is 71334089. The reversal of 71334071 is 17043317.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17043317 = 29995683.

It is a cyclic number.

It is not a de Polignac number, because 71334071 - 218 = 71071927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71334071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71334031) 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, 584645 + ... + 584766.

It is an arithmetic number, because the mean of its divisors is an integer number (18125886).

Almost surely, 271334071 is an apocalyptic number.

71334071 is a deficient number, since it is larger than the sum of its proper divisors (1169473).

71334071 is a wasteful number, since it uses less digits than its factorization.

71334071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169472.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 71334071 is about 8445.9499761720. The cubic root of 71334071 is about 414.7302083498.

Adding to 71334071 its reverse (17043317), we get a palindrome (88377388).

The spelling of 71334071 in words is "seventy-one million, three hundred thirty-four thousand, seventy-one".

Divisors: 1 61 1169411 71334071