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53350289 = 75171039
BaseRepresentation
bin1100101110000…
…0111110010001
310201101110211122
43023200332101
5102124202124
65143252025
71215320126
oct313407621
9121343748
1053350289
1128129953
1215a4a015
13b08c325
14712a74d
154a3c75e
hex32e0f91

53350289 has 4 divisors (see below), whose sum is σ = 53422080. Its totient is φ = 53278500.

The previous prime is 53350279. The next prime is 53350331. The reversal of 53350289 is 98205335.

53350289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53350289 - 24 = 53350273 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 (53350279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34769 + ... + 36270.

It is an arithmetic number, because the mean of its divisors is an integer number (13355520).

Almost surely, 253350289 is an apocalyptic number.

It is an amenable number.

53350289 is a deficient number, since it is larger than the sum of its proper divisors (71791).

53350289 is an equidigital number, since it uses as much as digits as its factorization.

53350289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71790.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 53350289 is about 7304.1282162897. The cubic root of 53350289 is about 376.4542970590.

The spelling of 53350289 in words is "fifty-three million, three hundred fifty thousand, two hundred eighty-nine".

Divisors: 1 751 71039 53350289