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53505938 = 2193153857
BaseRepresentation
bin1100110000011…
…0111110010010
310201200101100102
43030012332102
5102144142223
65150452402
71216535663
oct314067622
9121611312
1053505938
1128225892
1215b04102
13b115125
14716b36a
154a6d928
hex3306f92

53505938 has 32 divisors (see below), whose sum is σ = 88957440. Its totient is φ = 24036480.

The previous prime is 53505937. The next prime is 53505941. The reversal of 53505938 is 83950535.

53505938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (53505937) 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, 62006 + ... + 62862.

It is an arithmetic number, because the mean of its divisors is an integer number (2779920).

Almost surely, 253505938 is an apocalyptic number.

53505938 is a deficient number, since it is larger than the sum of its proper divisors (35451502).

53505938 is a wasteful number, since it uses less digits than its factorization.

53505938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962.

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 53505938 is about 7314.7753212248. The cubic root of 53505938 is about 376.8200423058.

The spelling of 53505938 in words is "fifty-three million, five hundred five thousand, nine hundred thirty-eight".

Divisors: 1 2 19 31 38 53 62 106 589 857 1007 1178 1643 1714 2014 3286 16283 26567 31217 32566 45421 53134 62434 90842 504773 862999 1009546 1408051 1725998 2816102 26752969 53505938