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229269 = 376423
BaseRepresentation
bin110111111110010101
3102122111110
4313332111
524314034
64525233
71643265
oct677625
9378443
10229269
11147287
12b0819
1380481
145d7a5
1547de9
hex37f95

229269 has 4 divisors (see below), whose sum is σ = 305696. Its totient is φ = 152844.

The previous prime is 229267. The next prime is 229283. The reversal of 229269 is 962922.

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.

It is not a de Polignac number, because 229269 - 21 = 229267 is a prime.

It is a super-2 number, since 2×2292692 = 105128548722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

229269 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229261) 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, 38209 + ... + 38214.

It is an arithmetic number, because the mean of its divisors is an integer number (76424).

2229269 is an apocalyptic number.

It is an amenable number.

229269 is a deficient number, since it is larger than the sum of its proper divisors (76427).

229269 is an equidigital number, since it uses as much as digits as its factorization.

229269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76426.

The product of its digits is 3888, while the sum is 30.

The square root of 229269 is about 478.8204256295. The cubic root of 229269 is about 61.2042779700.

The spelling of 229269 in words is "two hundred twenty-nine thousand, two hundred sixty-nine".

Divisors: 1 3 76423 229269