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52115622 = 23131374877
BaseRepresentation
bin1100011011001…
…1100010100110
310122001202012020
43012303202212
5101320144442
65101004010
71201655406
oct306634246
9118052166
1052115622
1127466269
1215553606
13aa49360
146cc8806
1548969ec
hex31b38a6

52115622 has 32 divisors (see below), whose sum is σ = 113091552. Its totient is φ = 15915264.

The previous prime is 52115603. The next prime is 52115629. The reversal of 52115622 is 22651125.

It is a happy number.

52115622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 52115592 and 52115601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52115629) 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 15 ways as a sum of consecutive naturals, for example, 8248 + ... + 13124.

It is an arithmetic number, because the mean of its divisors is an integer number (3534111).

Almost surely, 252115622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52115622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56545776).

52115622 is an abundant number, since it is smaller than the sum of its proper divisors (60975930).

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

52115622 is a wasteful number, since it uses less digits than its factorization.

52115622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5032.

The product of its digits is 1200, while the sum is 24.

The square root of 52115622 is about 7219.1150427182. The cubic root of 52115622 is about 373.5275521826.

Adding to 52115622 its reverse (22651125), we get a palindrome (74766747).

The spelling of 52115622 in words is "fifty-two million, one hundred fifteen thousand, six hundred twenty-two".

Divisors: 1 2 3 6 13 26 39 78 137 274 411 822 1781 3562 4877 5343 9754 10686 14631 29262 63401 126802 190203 380406 668149 1336298 2004447 4008894 8685937 17371874 26057811 52115622