Search a number
-
+
52281717 = 331562169
BaseRepresentation
bin1100011101110…
…0000101110101
310122101012000220
43013130011311
5101341003332
65104324553
71203246555
oct307340565
9118335026
1052281717
112756a034
1215613759
13aaa6b37
146d2d165
1548cad2c
hex31dc175

52281717 has 8 divisors (see below), whose sum is σ = 71957760. Its totient is φ = 33730080.

The previous prime is 52281701. The next prime is 52281731. The reversal of 52281717 is 71718225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52281717 - 24 = 52281701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52281917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280992 + ... + 281177.

It is an arithmetic number, because the mean of its divisors is an integer number (8994720).

Almost surely, 252281717 is an apocalyptic number.

It is an amenable number.

52281717 is a deficient number, since it is larger than the sum of its proper divisors (19676043).

52281717 is a wasteful number, since it uses less digits than its factorization.

52281717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562203.

The product of its digits is 7840, while the sum is 33.

The square root of 52281717 is about 7230.6097253275. The cubic root of 52281717 is about 373.9239481420.

The spelling of 52281717 in words is "fifty-two million, two hundred eighty-one thousand, seven hundred seventeen".

Divisors: 1 3 31 93 562169 1686507 17427239 52281717