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52121443 = 118095857
BaseRepresentation
bin1100011011010…
…0111101100011
310122002001011211
43012310331203
5101320341233
65101050551
71202011363
oct306647543
9118061154
1052121443
112746a680
1215556a57
13aa4bbba
146cca9a3
1548985cd
hex31b4f63

52121443 has 8 divisors (see below), whose sum is σ = 56939760. Its totient is φ = 47316480.

The previous prime is 52121441. The next prime is 52121467. The reversal of 52121443 is 34412125.

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

It is a cyclic number.

It is not a de Polignac number, because 52121443 - 21 = 52121441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52121441) 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, 5971 + ... + 11827.

It is an arithmetic number, because the mean of its divisors is an integer number (7117470).

Almost surely, 252121443 is an apocalyptic number.

52121443 is a deficient number, since it is larger than the sum of its proper divisors (4818317).

52121443 is a wasteful number, since it uses less digits than its factorization.

52121443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6677.

The product of its digits is 960, while the sum is 22.

The square root of 52121443 is about 7219.5181972206. The cubic root of 52121443 is about 373.5414585882.

Adding to 52121443 its reverse (34412125), we get a palindrome (86533568).

The spelling of 52121443 in words is "fifty-two million, one hundred twenty-one thousand, four hundred forty-three".

Divisors: 1 11 809 5857 8899 64427 4738313 52121443