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87493103 is a prime number
BaseRepresentation
bin1010011011100…
…00100111101111
320002122002222022
411031300213233
5134344234403
612403140355
72111451635
oct515604757
9202562868
1087493103
1145429955
12253746bb
1315184b89
14b897355
157a33d38
hex53709ef

87493103 has 2 divisors, whose sum is σ = 87493104. Its totient is φ = 87493102.

The previous prime is 87493097. The next prime is 87493111. The reversal of 87493103 is 30139478.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87493103 - 222 = 83298799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87493183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43746551 + 43746552.

It is an arithmetic number, because the mean of its divisors is an integer number (43746552).

Almost surely, 287493103 is an apocalyptic number.

87493103 is a deficient number, since it is larger than the sum of its proper divisors (1).

87493103 is an equidigital number, since it uses as much as digits as its factorization.

87493103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 87493103 is about 9353.7747995128. The cubic root of 87493103 is about 443.9403360431.

The spelling of 87493103 in words is "eighty-seven million, four hundred ninety-three thousand, one hundred three".