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52111724 = 2272922213
BaseRepresentation
bin1100011011001…
…0100101101100
310122001112211212
43012302211230
5101320033344
65100533552
71201641140
oct306624554
9118045755
1052111724
1127463345
12155512b8
13aa47652
146cc7220
15489579e
hex31b296c

52111724 has 36 divisors (see below), whose sum is σ = 107990064. Its totient is φ = 21553728.

The previous prime is 52111723. The next prime is 52111727. The reversal of 52111724 is 42711125.

52111724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 52111724.

It is not an unprimeable number, because it can be changed into a prime (52111723) 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 11 ways as a sum of consecutive naturals, for example, 22442 + ... + 24654.

It is an arithmetic number, because the mean of its divisors is an integer number (2999724).

Almost surely, 252111724 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 52111724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53995032).

52111724 is an abundant number, since it is smaller than the sum of its proper divisors (55878340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52111724 is a wasteful number, since it uses less digits than its factorization.

52111724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282 (or 2251 counting only the distinct ones).

The product of its digits is 560, while the sum is 23.

The square root of 52111724 is about 7218.8450599802. The cubic root of 52111724 is about 373.5182392572.

Adding to 52111724 its reverse (42711125), we get a palindrome (94822849).

The spelling of 52111724 in words is "fifty-two million, one hundred eleven thousand, seven hundred twenty-four".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 812 841 1682 2213 3364 4426 5887 8852 11774 15491 23548 30982 61964 64177 128354 256708 449239 898478 1796956 1861133 3722266 7444532 13027931 26055862 52111724