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53382019 = 301117729
BaseRepresentation
bin1100101110100…
…0101110000011
310201110002100211
43023220232003
5102131211034
65144054551
71215511465
oct313505603
9121402324
1053382019
1128150779
1215a64457
13b0a08c2
147138135
154a46d64
hex32e8b83

53382019 has 4 divisors (see below), whose sum is σ = 53402760. Its totient is φ = 53361280.

The previous prime is 53382013. The next prime is 53382047. The reversal of 53382019 is 91028335.

It is a happy number.

53382019 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.

It is a cyclic number.

It is not a de Polignac number, because 53382019 - 217 = 53250947 is a prime.

It is a super-2 number, since 2×533820192 = 5699279905032722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53382013) 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, 5854 + ... + 11875.

It is an arithmetic number, because the mean of its divisors is an integer number (13350690).

Almost surely, 253382019 is an apocalyptic number.

53382019 is a deficient number, since it is larger than the sum of its proper divisors (20741).

53382019 is a wasteful number, since it uses less digits than its factorization.

53382019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20740.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 53382019 is about 7306.2999527805. The cubic root of 53382019 is about 376.5289141341.

The spelling of 53382019 in words is "fifty-three million, three hundred eighty-two thousand, nineteen".

Divisors: 1 3011 17729 53382019