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53158479 = 3112955547
BaseRepresentation
bin1100101011001…
…0001001001111
310201000201201120
43022302021033
5102102032404
65135212023
71213560663
oct312621117
9121021646
1053158479
1128008830
1215977013
13b022c2a
1470ba8a3
154a009d9
hex32b224f

53158479 has 16 divisors (see below), whose sum is σ = 79989120. Its totient is φ = 31105760.

The previous prime is 53158471. The next prime is 53158489. The reversal of 53158479 is 97485135.

53158479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 53158479 - 23 = 53158471 is a prime.

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 a self number, because there is not a number n which added to its sum of digits gives 53158479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53158471) 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 15 ways as a sum of consecutive naturals, for example, 26817 + ... + 28730.

It is an arithmetic number, because the mean of its divisors is an integer number (4999320).

Almost surely, 253158479 is an apocalyptic number.

53158479 is a deficient number, since it is larger than the sum of its proper divisors (26830641).

53158479 is a wasteful number, since it uses less digits than its factorization.

53158479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55590.

The product of its digits is 151200, while the sum is 42.

The square root of 53158479 is about 7290.9861472917. The cubic root of 53158479 is about 376.0026006120.

The spelling of 53158479 in words is "fifty-three million, one hundred fifty-eight thousand, four hundred seventy-nine".

Divisors: 1 3 11 29 33 87 319 957 55547 166641 611017 1610863 1833051 4832589 17719493 53158479