Search a number
-
+
229008929 = 230999181
BaseRepresentation
bin11011010011001…
…10011000100001
3120221220212012012
431221212120201
5432111241204
634420242305
75450354342
oct1551463041
9527825165
10229008929
111082a6886
1264840395
13385a3156
14225b40c9
151518976e
hexda66621

229008929 has 4 divisors (see below), whose sum is σ = 229110420. Its totient is φ = 228907440.

The previous prime is 229008917. The next prime is 229008959. The reversal of 229008929 is 929800922.

It is a happy number.

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 145323025 + 83685904 = 12055^2 + 9148^2 .

It is a cyclic number.

It is not a de Polignac number, because 229008929 - 212 = 229004833 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (229008959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47282 + ... + 51899.

It is an arithmetic number, because the mean of its divisors is an integer number (57277605).

Almost surely, 2229008929 is an apocalyptic number.

It is an amenable number.

229008929 is a deficient number, since it is larger than the sum of its proper divisors (101491).

229008929 is an equidigital number, since it uses as much as digits as its factorization.

229008929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101490.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 229008929 is about 15133.0409700100. The cubic root of 229008929 is about 611.8112688224.

The spelling of 229008929 in words is "two hundred twenty-nine million, eight thousand, nine hundred twenty-nine".

Divisors: 1 2309 99181 229008929