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537140443 = 776734349
BaseRepresentation
bin100000000001000…
…001110011011011
31101102201120011111
4200001001303123
52100001443233
6125144441151
716211422060
oct4001016333
91342646144
10537140443
11256224624
1212ba791b7
138738a1a8
14514a2c67
1532252acd
hex20041cdb

537140443 has 4 divisors (see below), whose sum is σ = 613874800. Its totient is φ = 460406088.

The previous prime is 537140437. The next prime is 537140473. The reversal of 537140443 is 344041735.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344041735 = 568808347.

It is a cyclic number.

It is not a de Polignac number, because 537140443 - 25 = 537140411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (537140473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38367168 + ... + 38367181.

It is an arithmetic number, because the mean of its divisors is an integer number (153468700).

Almost surely, 2537140443 is an apocalyptic number.

537140443 is a deficient number, since it is larger than the sum of its proper divisors (76734357).

537140443 is an equidigital number, since it uses as much as digits as its factorization.

537140443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76734356.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 537140443 is about 23176.2905358040. The cubic root of 537140443 is about 812.8853269109.

The spelling of 537140443 in words is "five hundred thirty-seven million, one hundred forty thousand, four hundred forty-three".

Divisors: 1 7 76734349 537140443