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52344220 = 2252617211
BaseRepresentation
bin1100011110101…
…1010110011100
310122111100202211
43013223112130
5101400003340
65105530204
71203630025
oct307532634
9118440684
1052344220
1127601a95
1215643964
13aac9416
146d47c4c
1548de5ea
hex31eb59c

52344220 has 12 divisors (see below), whose sum is σ = 109922904. Its totient is φ = 20937680.

The previous prime is 52344211. The next prime is 52344223. The reversal of 52344220 is 2244325.

It is a junction number, because it is equal to n+sod(n) for n = 52344191 and 52344200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52344223) 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, 1308586 + ... + 1308625.

It is an arithmetic number, because the mean of its divisors is an integer number (9160242).

Almost surely, 252344220 is an apocalyptic number.

It is an amenable number.

52344220 is an abundant number, since it is smaller than the sum of its proper divisors (57578684).

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

52344220 is a wasteful number, since it uses less digits than its factorization.

52344220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617220 (or 2617218 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 52344220 is about 7234.9305456238. The cubic root of 52344220 is about 374.0728979886.

Adding to 52344220 its reverse (2244325), we get a palindrome (54588545).

The spelling of 52344220 in words is "fifty-two million, three hundred forty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 2617211 5234422 10468844 13086055 26172110 52344220