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53203033 = 134219721
BaseRepresentation
bin1100101011110…
…1000001011001
310201002222211201
43022331001121
5102104444113
65140154201
71214134612
oct312750131
9121088751
1053203033
1128039254
1215998961
13b03a2b0
1470ccc09
154a0dcdd
hex32bd059

53203033 has 8 divisors (see below), whose sum is σ = 57437576. Its totient is φ = 48988800.

The previous prime is 53203019. The next prime is 53203039. The reversal of 53203033 is 33030235.

53203033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11108889 + 42094144 = 3333^2 + 6488^2 .

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 53203033 - 25 = 53203001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53203033.

It is not an unprimeable number, because it can be changed into a prime (53203039) 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, 613 + ... + 10333.

It is an arithmetic number, because the mean of its divisors is an integer number (7179697).

Almost surely, 253203033 is an apocalyptic number.

It is an amenable number.

53203033 is a deficient number, since it is larger than the sum of its proper divisors (4234543).

53203033 is a wasteful number, since it uses less digits than its factorization.

53203033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10155.

The product of its (nonzero) digits is 810, while the sum is 19.

The square root of 53203033 is about 7294.0409239324. The cubic root of 53203033 is about 376.1076183006.

Adding to 53203033 its reverse (33030235), we get a palindrome (86233268).

The spelling of 53203033 in words is "fifty-three million, two hundred three thousand, thirty-three".

Divisors: 1 13 421 5473 9721 126373 4092541 53203033