Search a number
-
+
71333275 = 52131712911
BaseRepresentation
bin1000100000001…
…11010110011011
311222020002212011
410100013112123
5121230131100
611024530351
71524215506
oct420072633
9158202764
1071333275
11372a1822
121ba809b7
1311a17650
14968c13d
1563e0bba
hex440759b

71333275 has 24 divisors (see below), whose sum is σ = 100868544. Its totient is φ = 49574400.

The previous prime is 71333261. The next prime is 71333323. The reversal of 71333275 is 57233317.

It is not a de Polignac number, because 71333275 - 213 = 71325083 is a prime.

It is a super-2 number, since 2×713332752 = 10176872244451250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

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, 931 + ... + 11980.

It is an arithmetic number, because the mean of its divisors is an integer number (4202856).

Almost surely, 271333275 is an apocalyptic number.

71333275 is a deficient number, since it is larger than the sum of its proper divisors (29535269).

71333275 is a wasteful number, since it uses less digits than its factorization.

71333275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12951 (or 12946 counting only the distinct ones).

The product of its digits is 13230, while the sum is 31.

The square root of 71333275 is about 8445.9028528630. The cubic root of 71333275 is about 414.7286657187.

The spelling of 71333275 in words is "seventy-one million, three hundred thirty-three thousand, two hundred seventy-five".

Divisors: 1 5 13 17 25 65 85 221 325 425 1105 5525 12911 64555 167843 219487 322775 839215 1097435 2853331 4196075 5487175 14266655 71333275