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53331033 = 372539573
BaseRepresentation
bin1100101101110…
…0010001011001
310201100111102110
43023130101121
5102123043113
65143022533
71215210030
oct313342131
9121314373
1053331033
1128116438
1215a3aa49
13b083632
147123717
154a36bc3
hex32dc459

53331033 has 8 divisors (see below), whose sum is σ = 81266368. Its totient is φ = 30474864.

The previous prime is 53331007. The next prime is 53331053. The reversal of 53331033 is 33013335.

53331033 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 not a de Polignac number, because 53331033 - 26 = 53330969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2539573 = 53331033 / (5 + 3 + 3 + 3 + 1 + 0 + 3 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53331053) 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, 1269766 + ... + 1269807.

It is an arithmetic number, because the mean of its divisors is an integer number (10158296).

Almost surely, 253331033 is an apocalyptic number.

It is an amenable number.

53331033 is a deficient number, since it is larger than the sum of its proper divisors (27935335).

53331033 is a wasteful number, since it uses less digits than its factorization.

53331033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539583.

The product of its (nonzero) digits is 1215, while the sum is 21.

The square root of 53331033 is about 7302.8099386469. The cubic root of 53331033 is about 376.4089997332.

Adding to 53331033 its reverse (33013335), we get a palindrome (86344368).

The spelling of 53331033 in words is "fifty-three million, three hundred thirty-one thousand, thirty-three".

Divisors: 1 3 7 21 2539573 7618719 17777011 53331033