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8988013 is a prime number
BaseRepresentation
bin100010010010…
…010101101101
3121220122020101
4202102111231
54300104023
6520351101
7136253056
oct42222555
917818211
108988013
115089911
123015491
131b29068
14129d72d
15bc81ad
hex89256d

8988013 has 2 divisors, whose sum is σ = 8988014. Its totient is φ = 8988012.

The previous prime is 8987981. The next prime is 8988017. The reversal of 8988013 is 3108898.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8988004 + 9 = 2998^2 + 3^2 .

It is a cyclic number.

It is not a de Polignac number, because 8988013 - 25 = 8987981 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8988017) 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 as a sum of consecutive naturals, namely, 4494006 + 4494007.

It is an arithmetic number, because the mean of its divisors is an integer number (4494007).

Almost surely, 28988013 is an apocalyptic number.

It is an amenable number.

8988013 is a deficient number, since it is larger than the sum of its proper divisors (1).

8988013 is an equidigital number, since it uses as much as digits as its factorization.

8988013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 8988013 is about 2998.0015010003. The cubic root of 8988013 is about 207.9159932580.

It can be divided in two parts, 898 and 8013, that added together give a triangular number (8911 = T133).

The spelling of 8988013 in words is "eight million, nine hundred eighty-eight thousand, thirteen".