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10288117 = 71469731
BaseRepresentation
bin100111001111…
…101111110101
3201100200122101
4213033233311
510113204432
61004302101
7153306340
oct47175765
921320571
1010288117
115897684
123541931
132192a58
14151b457
15d834e7
hex9cfbf5

10288117 has 4 divisors (see below), whose sum is σ = 11757856. Its totient is φ = 8818380.

The previous prime is 10288097. The next prime is 10288121. The reversal of 10288117 is 71188201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71188201 = 710169743.

It is a cyclic number.

It is not a de Polignac number, because 10288117 - 211 = 10286069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10288147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734859 + ... + 734872.

It is an arithmetic number, because the mean of its divisors is an integer number (2939464).

Almost surely, 210288117 is an apocalyptic number.

It is an amenable number.

10288117 is a deficient number, since it is larger than the sum of its proper divisors (1469739).

10288117 is an equidigital number, since it uses as much as digits as its factorization.

10288117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469738.

The product of its (nonzero) digits is 896, while the sum is 28.

The square root of 10288117 is about 3207.5094699782. The cubic root of 10288117 is about 217.4930072178.

The spelling of 10288117 in words is "ten million, two hundred eighty-eight thousand, one hundred seventeen".

Divisors: 1 7 1469731 10288117