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229765249 = 732823607
BaseRepresentation
bin11011011000111…
…11000010000001
3121000100021200001
431230133002001
5432304441444
634444400001
75456654350
oct1554370201
9530307601
10229765249
1110877303a
1264b46001
13387a948c
142272d997
15152888d4
hexdb1f081

229765249 has 4 divisors (see below), whose sum is σ = 262588864. Its totient is φ = 196941636.

The previous prime is 229765241. The next prime is 229765253. The reversal of 229765249 is 942567922.

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 a cyclic number.

It is not a de Polignac number, because 229765249 - 23 = 229765241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 229765199 and 229765208.

It is not an unprimeable number, because it can be changed into a prime (229765241) 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, 16411797 + ... + 16411810.

It is an arithmetic number, because the mean of its divisors is an integer number (65647216).

Almost surely, 2229765249 is an apocalyptic number.

It is an amenable number.

229765249 is a deficient number, since it is larger than the sum of its proper divisors (32823615).

229765249 is an equidigital number, since it uses as much as digits as its factorization.

229765249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32823614.

The product of its digits is 544320, while the sum is 46.

The square root of 229765249 is about 15158.0094009735. The cubic root of 229765249 is about 612.4840470092.

The spelling of 229765249 in words is "two hundred twenty-nine million, seven hundred sixty-five thousand, two hundred forty-nine".

Divisors: 1 7 32823607 229765249