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52918271 = 731243863
BaseRepresentation
bin1100100111011…
…1011111111111
310200120112012222
43021313133333
5102021341041
65130115555
71211540450
oct311673777
9120515188
1052918271
112796430a
121587bbbb
13ac6a7b3
147057127
1549a474b
hex32777ff

52918271 has 8 divisors (see below), whose sum is σ = 62429184. Its totient is φ = 43895160.

The previous prime is 52918267. The next prime is 52918291. The reversal of 52918271 is 17281925.

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 52918271 - 22 = 52918267 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52918291) 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, 121715 + ... + 122148.

It is an arithmetic number, because the mean of its divisors is an integer number (7803648).

Almost surely, 252918271 is an apocalyptic number.

52918271 is a deficient number, since it is larger than the sum of its proper divisors (9510913).

52918271 is a wasteful number, since it uses less digits than its factorization.

52918271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243901.

The product of its digits is 10080, while the sum is 35.

The square root of 52918271 is about 7274.4945528882. The cubic root of 52918271 is about 375.4353959150.

The spelling of 52918271 in words is "fifty-two million, nine hundred eighteen thousand, two hundred seventy-one".

Divisors: 1 7 31 217 243863 1707041 7559753 52918271