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52305089 = 82163709
BaseRepresentation
bin1100011110000…
…1110011000001
310122102101002112
43013201303001
5101342230324
65105025105
71203404654
oct307416301
9118371075
1052305089
1127585651
1215625195
13aab4675
146d3789b
1548d2c0e
hex31e1cc1

52305089 has 4 divisors (see below), whose sum is σ = 52369620. Its totient is φ = 52240560.

The previous prime is 52305049. The next prime is 52305103. The reversal of 52305089 is 98050325.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8850625 + 43454464 = 2975^2 + 6592^2 .

It is a cyclic number.

It is not a de Polignac number, because 52305089 - 216 = 52239553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52305049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31034 + ... + 32675.

It is an arithmetic number, because the mean of its divisors is an integer number (13092405).

Almost surely, 252305089 is an apocalyptic number.

It is an amenable number.

52305089 is a deficient number, since it is larger than the sum of its proper divisors (64531).

52305089 is an equidigital number, since it uses as much as digits as its factorization.

52305089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64530.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 52305089 is about 7232.2257293312. The cubic root of 52305089 is about 373.9796594503.

The spelling of 52305089 in words is "fifty-two million, three hundred five thousand, eighty-nine".

Divisors: 1 821 63709 52305089