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53130543 = 317710181
BaseRepresentation
bin1100101010101…
…1010100101111
310200222022101220
43022223110233
5102100134133
65134434423
71213413354
oct312532457
9120868356
1053130543
1127a99844
1215962a13
13b0132bb
1470b062b
1549e75b3
hex32ab52f

53130543 has 4 divisors (see below), whose sum is σ = 70840728. Its totient is φ = 35420360.

The previous prime is 53130533. The next prime is 53130563. The reversal of 53130543 is 34503135.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53130543 - 221 = 51033391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53130533) 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, 8855088 + ... + 8855093.

It is an arithmetic number, because the mean of its divisors is an integer number (17710182).

Almost surely, 253130543 is an apocalyptic number.

53130543 is a deficient number, since it is larger than the sum of its proper divisors (17710185).

53130543 is a wasteful number, since it uses less digits than its factorization.

53130543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17710184.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 53130543 is about 7289.0701053015. The cubic root of 53130543 is about 375.9367230736.

Adding to 53130543 its reverse (34503135), we get a palindrome (87633678).

The spelling of 53130543 in words is "fifty-three million, one hundred thirty thousand, five hundred forty-three".

Divisors: 1 3 17710181 53130543