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53347889 = 773104399
BaseRepresentation
bin1100101110000…
…0011000110001
310201101100112202
43023200120301
5102124113024
65143232545
71215310130
oct313403061
9121340482
1053347889
1128128071
1215a48755
13b08b1ca
147129917
154a3bbae
hex32e0631

53347889 has 8 divisors (see below), whose sum is σ = 61804800. Its totient is φ = 45099936.

The previous prime is 53347873. The next prime is 53347901. The reversal of 53347889 is 98874335.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53347889 - 24 = 53347873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53347829) 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 7 ways as a sum of consecutive naturals, for example, 51689 + ... + 52710.

It is an arithmetic number, because the mean of its divisors is an integer number (7725600).

Almost surely, 253347889 is an apocalyptic number.

It is an amenable number.

53347889 is a deficient number, since it is larger than the sum of its proper divisors (8456911).

53347889 is a wasteful number, since it uses less digits than its factorization.

53347889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104479.

The product of its digits is 725760, while the sum is 47.

The square root of 53347889 is about 7303.9639237882. The cubic root of 53347889 is about 376.4486519545.

The spelling of 53347889 in words is "fifty-three million, three hundred forty-seven thousand, eight hundred eighty-nine".

Divisors: 1 7 73 511 104399 730793 7621127 53347889