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52085089 = 7210312
BaseRepresentation
bin1100011010110…
…0000101100001
310122000012022101
43012230011201
5101313210324
65100210401
71201500400
oct306540541
9118005271
1052085089
1127445331
1215539a01
13aa384a4
146cbb637
15488c944
hex31ac161

52085089 has 9 divisors (see below), whose sum is σ = 60647601. Its totient is φ = 44601060.

The previous prime is 52085081. The next prime is 52085119. The reversal of 52085089 is 98058025.

It is a happy number.

The square root of 52085089 is 7217.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 52085089 - 23 = 52085081 is a prime.

It is a super-2 number, since 2×520850892 = 5425712992275842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52085081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 50004 + ... + 51034.

Almost surely, 252085089 is an apocalyptic number.

52085089 is the 7217-th square number.

52085089 is the 3609-th centered octagonal number.

It is an amenable number.

52085089 is a deficient number, since it is larger than the sum of its proper divisors (8562512).

52085089 is an frugal number, since it uses more digits than its factorization.

52085089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The cubic root of 52085089 is about 373.4545916875.

The spelling of 52085089 in words is "fifty-two million, eighty-five thousand, eighty-nine".

Divisors: 1 7 49 1031 7217 50519 1062961 7440727 52085089