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229610009 = 277828917
BaseRepresentation
bin11011010111110…
…01001000011001
3121000001101201102
431223321020121
5432240010014
634441201145
75455436636
oct1553711031
9530041642
10229610009
11108677442
1264a901b5
1338753915
14226cd18d
15152578de
hexdaf9219

229610009 has 4 divisors (see below), whose sum is σ = 230439204. Its totient is φ = 228780816.

The previous prime is 229609999. The next prime is 229610027. The reversal of 229610009 is 900016922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92064025 + 137545984 = 9595^2 + 11728^2 .

It is a cyclic number.

It is not a de Polignac number, because 229610009 - 220 = 228561433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229610089) 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, 414182 + ... + 414735.

It is an arithmetic number, because the mean of its divisors is an integer number (57609801).

Almost surely, 2229610009 is an apocalyptic number.

It is an amenable number.

229610009 is a deficient number, since it is larger than the sum of its proper divisors (829195).

229610009 is an equidigital number, since it uses as much as digits as its factorization.

229610009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829194.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 229610009 is about 15152.8878105792. The cubic root of 229610009 is about 612.3460751069.

The spelling of 229610009 in words is "two hundred twenty-nine million, six hundred ten thousand, nine".

Divisors: 1 277 828917 229610009