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53446919 = 613972207
BaseRepresentation
bin1100101111100…
…0100100000111
310201120101101112
43023320210013
5102140300134
65145315235
71216201631
oct313704407
9121511345
1053446919
1128195509
1215a95b1b
13b0c42c6
147153a51
154a5b1ce
hex32f8907

53446919 has 8 divisors (see below), whose sum is σ = 54484608. Its totient is φ = 52414560.

The previous prime is 53446909. The next prime is 53446927. The reversal of 53446919 is 91964435.

53446919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 53446919 - 28 = 53446663 is a prime.

It is a super-2 number, since 2×534469192 = 5713146301185122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53446909) 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 7 ways as a sum of consecutive naturals, for example, 23114 + ... + 25320.

It is an arithmetic number, because the mean of its divisors is an integer number (6810576).

Almost surely, 253446919 is an apocalyptic number.

53446919 is a deficient number, since it is larger than the sum of its proper divisors (1037689).

53446919 is a wasteful number, since it uses less digits than its factorization.

53446919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665.

The product of its digits is 116640, while the sum is 41.

The square root of 53446919 is about 7310.7399762268. The cubic root of 53446919 is about 376.6814425857.

The spelling of 53446919 in words is "fifty-three million, four hundred forty-six thousand, nine hundred nineteen".

Divisors: 1 61 397 2207 24217 134627 876179 53446919