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53189619 = 372532839
BaseRepresentation
bin1100101011100…
…1101111110011
310201002022102220
43022321233303
5102104031434
65140012123
71214050530
oct312715763
9121068386
1053189619
112802a16a
1215991043
13b034162
1470c7d87
154a09d49
hex32b9bf3

53189619 has 8 divisors (see below), whose sum is σ = 81050880. Its totient is φ = 30394056.

The previous prime is 53189557. The next prime is 53189627. The reversal of 53189619 is 91698135.

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

It is not a de Polignac number, because 53189619 - 211 = 53187571 is a prime.

It is a super-2 number, since 2×531896192 = 5658271138730322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (53189629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1266399 + ... + 1266440.

It is an arithmetic number, because the mean of its divisors is an integer number (10131360).

Almost surely, 253189619 is an apocalyptic number.

53189619 is a deficient number, since it is larger than the sum of its proper divisors (27861261).

53189619 is a wasteful number, since it uses less digits than its factorization.

53189619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2532849.

The product of its digits is 58320, while the sum is 42.

The square root of 53189619 is about 7293.1213482294. The cubic root of 53189619 is about 376.0760064960.

The spelling of 53189619 in words is "fifty-three million, one hundred eighty-nine thousand, six hundred nineteen".

Divisors: 1 3 7 21 2532839 7598517 17729873 53189619