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10229809 = 19538411
BaseRepresentation
bin100111000001…
…100000110001
3201020201122211
4213001200301
510104323214
61003132121
7152644342
oct47014061
921221584
1010229809
115857897
123514041
132172355
1415040c9
15d710c4
hex9c1831

10229809 has 4 divisors (see below), whose sum is σ = 10768240. Its totient is φ = 9691380.

The previous prime is 10229803. The next prime is 10229827. The reversal of 10229809 is 90892201.

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: 90892201 = 97937033.

It is a cyclic number.

It is not a de Polignac number, because 10229809 - 223 = 1841201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10229803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269187 + ... + 269224.

It is an arithmetic number, because the mean of its divisors is an integer number (2692060).

Almost surely, 210229809 is an apocalyptic number.

10229809 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10229809 is a deficient number, since it is larger than the sum of its proper divisors (538431).

10229809 is an equidigital number, since it uses as much as digits as its factorization.

10229809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538430.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 10229809 is about 3198.4072598717. The cubic root of 10229809 is about 217.0813473178.

The spelling of 10229809 in words is "ten million, two hundred twenty-nine thousand, eight hundred nine".

Divisors: 1 19 538411 10229809