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9988337 = 26933709
BaseRepresentation
bin100110000110…
…100011110001
3200210110102102
4212012203301
510024111322
6554030145
7150620342
oct46064361
920713372
109988337
115702427
123418355
1320b9478
1414800c9
15d24792
hex9868f1

9988337 has 4 divisors (see below), whose sum is σ = 9994740. Its totient is φ = 9981936.

The previous prime is 9988331. The next prime is 9988339. The reversal of 9988337 is 7338899.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7338899 = 36719997.

It can be written as a sum of positive squares in 2 ways, for example, as 3352561 + 6635776 = 1831^2 + 2576^2 .

It is a cyclic number.

It is not a de Polignac number, because 9988337 - 212 = 9984241 is a prime.

It is a d-powerful number, because it can be written as 92 + 96 + 83 + 87 + 33 + 313 + 78 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9988291 and 9988300.

It is not an unprimeable number, because it can be changed into a prime (9988331) 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, 839 + ... + 4547.

It is an arithmetic number, because the mean of its divisors is an integer number (2498685).

Almost surely, 29988337 is an apocalyptic number.

It is an amenable number.

9988337 is a deficient number, since it is larger than the sum of its proper divisors (6403).

9988337 is a wasteful number, since it uses less digits than its factorization.

9988337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6402.

The product of its digits is 326592, while the sum is 47.

The square root of 9988337 is about 3160.4330399488. The cubic root of 9988337 is about 215.3596791808.

The spelling of 9988337 in words is "nine million, nine hundred eighty-eight thousand, three hundred thirty-seven".

Divisors: 1 2693 3709 9988337