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53512203 = 371251231
BaseRepresentation
bin1100110000100…
…0100000001011
310201200200221110
43030020200023
5102144342303
65150541403
71216563153
oct314104013
9121620843
1053512203
112822a568
1215b07863
13b117c34
14716d763
154a70703
hex330880b

53512203 has 8 divisors (see below), whose sum is σ = 72354816. Its totient is φ = 35172200.

The previous prime is 53512201. The next prime is 53512211. The reversal of 53512203 is 30221535.

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 53512203 - 21 = 53512201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53512203.

It is not an unprimeable number, because it can be changed into a prime (53512201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125403 + ... + 125828.

It is an arithmetic number, because the mean of its divisors is an integer number (9044352).

Almost surely, 253512203 is an apocalyptic number.

53512203 is a deficient number, since it is larger than the sum of its proper divisors (18842613).

53512203 is a wasteful number, since it uses less digits than its factorization.

53512203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251305.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 53512203 is about 7315.2035515083. The cubic root of 53512203 is about 376.8347489940.

Adding to 53512203 its reverse (30221535), we get a palindrome (83733738).

The spelling of 53512203 in words is "fifty-three million, five hundred twelve thousand, two hundred three".

Divisors: 1 3 71 213 251231 753693 17837401 53512203