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52360361 = 97753593
BaseRepresentation
bin1100011110111…
…1010010101001
310122112011220122
43013233102221
5101401012421
65110133025
71204025054
oct307572251
9118464818
1052360361
1127613129
1215651175
13ab03881
146d4da9b
1548e42ab
hex31ef4a9

52360361 has 4 divisors (see below), whose sum is σ = 52414932. Its totient is φ = 52305792.

The previous prime is 52360349. The next prime is 52360379. The reversal of 52360361 is 16306325.

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 38440000 + 13920361 = 6200^2 + 3731^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52360361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52360361.

It is not an unprimeable number, because it can be changed into a prime (52360381) 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, 25820 + ... + 27773.

It is an arithmetic number, because the mean of its divisors is an integer number (13103733).

Almost surely, 252360361 is an apocalyptic number.

It is an amenable number.

52360361 is a deficient number, since it is larger than the sum of its proper divisors (54571).

52360361 is an equidigital number, since it uses as much as digits as its factorization.

52360361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54570.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 52360361 is about 7236.0459506556. The cubic root of 52360361 is about 374.1113440681. Note that the first 3 decimals are identical.

Adding to 52360361 its reverse (16306325), we get a palindrome (68666686).

The spelling of 52360361 in words is "fifty-two million, three hundred sixty thousand, three hundred sixty-one".

Divisors: 1 977 53593 52360361