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53534213 = 71754003
BaseRepresentation
bin1100110000110…
…1111000000101
310201201211010122
43030031320011
5102201043323
65151231325
71220014265
oct314157005
9121654118
1053534213
1128245057
1215b18545
13b124c65
1471777a5
154a76ec8
hex330de05

53534213 has 4 divisors (see below), whose sum is σ = 54288288. Its totient is φ = 52780140.

The previous prime is 53534209. The next prime is 53534231. The reversal of 53534213 is 31243535.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53534213 - 22 = 53534209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53534263) 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, 376931 + ... + 377072.

It is an arithmetic number, because the mean of its divisors is an integer number (13572072).

Almost surely, 253534213 is an apocalyptic number.

It is an amenable number.

53534213 is a deficient number, since it is larger than the sum of its proper divisors (754075).

53534213 is an equidigital number, since it uses as much as digits as its factorization.

53534213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754074.

The product of its digits is 5400, while the sum is 26.

The square root of 53534213 is about 7316.7077979102. The cubic root of 53534213 is about 376.8864069677.

Adding to 53534213 its reverse (31243535), we get a palindrome (84777748).

The spelling of 53534213 in words is "fifty-three million, five hundred thirty-four thousand, two hundred thirteen".

Divisors: 1 71 754003 53534213