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53203411 = 132740093
BaseRepresentation
bin1100101011110…
…1000111010011
310201010000100201
43022331013103
5102110002121
65140200031
71214135662
oct312750723
9121100321
1053203411
1128039568
1215999017
13b03a511
1470ccdd9
154a0de91
hex32bd1d3

53203411 has 4 divisors (see below), whose sum is σ = 53244832. Its totient is φ = 53161992.

The previous prime is 53203379. The next prime is 53203511. The reversal of 53203411 is 11430235.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11430235 = 52286047.

It is a cyclic number.

It is not a de Polignac number, because 53203411 - 25 = 53203379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53203511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18720 + ... + 21373.

It is an arithmetic number, because the mean of its divisors is an integer number (13311208).

Almost surely, 253203411 is an apocalyptic number.

53203411 is a deficient number, since it is larger than the sum of its proper divisors (41421).

53203411 is a wasteful number, since it uses less digits than its factorization.

53203411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41420.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 53203411 is about 7294.0668354492. The cubic root of 53203411 is about 376.1085090289.

Adding to 53203411 its reverse (11430235), we get a palindrome (64633646).

The spelling of 53203411 in words is "fifty-three million, two hundred three thousand, four hundred eleven".

Divisors: 1 1327 40093 53203411