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52270071 = 3711322027
BaseRepresentation
bin1100011101100…
…1001111110111
310122100121001120
43013121033313
5101340120241
65104155023
71203200610
oct307311767
9118317046
1052270071
1127561307
1215608a73
13aaa1749
146d28c07
1548c7666
hex31d93f7

52270071 has 16 divisors (see below), whose sum is σ = 80358144. Its totient is φ = 29602944.

The previous prime is 52270033. The next prime is 52270073. The reversal of 52270071 is 17007225.

It is not a de Polignac number, because 52270071 - 29 = 52269559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52270073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8641 + ... + 13386.

It is an arithmetic number, because the mean of its divisors is an integer number (5022384).

Almost surely, 252270071 is an apocalyptic number.

52270071 is a deficient number, since it is larger than the sum of its proper divisors (28088073).

52270071 is a wasteful number, since it uses less digits than its factorization.

52270071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22150.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 52270071 is about 7229.8043541994. The cubic root of 52270071 is about 373.8961816369.

Adding to 52270071 its reverse (17007225), we get a palindrome (69277296).

The spelling of 52270071 in words is "fifty-two million, two hundred seventy thousand, seventy-one".

Divisors: 1 3 7 21 113 339 791 2373 22027 66081 154189 462567 2489051 7467153 17423357 52270071