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229454789 = 792904491
BaseRepresentation
bin11011010110100…
…11001111000101
3120222202111210112
431223103033011
5432220023124
634434002405
75454222254
oct1553231705
9528674715
10229454789
11108580863
1264a16405
13386cb085
142268c79b
151522690e
hexdad33c5

229454789 has 4 divisors (see below), whose sum is σ = 232359360. Its totient is φ = 226550220.

The previous prime is 229454783. The next prime is 229454801. The reversal of 229454789 is 987454922.

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 a de Polignac number, because none of the positive numbers 2k-229454789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229454783) 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, 1452167 + ... + 1452324.

It is an arithmetic number, because the mean of its divisors is an integer number (58089840).

Almost surely, 2229454789 is an apocalyptic number.

It is an amenable number.

229454789 is a deficient number, since it is larger than the sum of its proper divisors (2904571).

229454789 is an equidigital number, since it uses as much as digits as its factorization.

229454789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904570.

The product of its digits is 1451520, while the sum is 50.

The square root of 229454789 is about 15147.7651486944. The cubic root of 229454789 is about 612.2080587892.

The spelling of 229454789 in words is "two hundred twenty-nine million, four hundred fifty-four thousand, seven hundred eighty-nine".

Divisors: 1 79 2904491 229454789