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52122171 = 3116314939
BaseRepresentation
bin1100011011010…
…1001000111011
310122002002011210
43012311020323
5101320402141
65101054203
71202013453
oct306651073
9118062153
1052122171
1127470182
1215557363
13aa4c32a
146ccad63
154898916
hex31b523b

52122171 has 8 divisors (see below), whose sum is σ = 69560640. Its totient is φ = 34715912.

The previous prime is 52122157. The next prime is 52122173. The reversal of 52122171 is 17122125.

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 52122171 - 25 = 52122139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52122173) 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, 3981 + ... + 10958.

It is an arithmetic number, because the mean of its divisors is an integer number (8695080).

Almost surely, 252122171 is an apocalyptic number.

52122171 is a deficient number, since it is larger than the sum of its proper divisors (17438469).

52122171 is a wasteful number, since it uses less digits than its factorization.

52122171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16105.

The product of its digits is 280, while the sum is 21.

The square root of 52122171 is about 7219.5686159216. The cubic root of 52122171 is about 373.5431977119.

Adding to 52122171 its reverse (17122125), we get a palindrome (69244296).

The spelling of 52122171 in words is "fifty-two million, one hundred twenty-two thousand, one hundred seventy-one".

Divisors: 1 3 1163 3489 14939 44817 17374057 52122171