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229812801 = 376604267
BaseRepresentation
bin11011011001010…
…10101001000001
3121000102200220020
431230222221001
5432313002201
634445404053
75460243111
oct1554525101
9530380806
10229812801
111087a5839
1264b69629
13387c500a
1422743041
1515297a36
hexdb2aa41

229812801 has 4 divisors (see below), whose sum is σ = 306417072. Its totient is φ = 153208532.

The previous prime is 229812797. The next prime is 229812853. The reversal of 229812801 is 108218922.

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 229812801 - 22 = 229812797 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229812301) 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, 38302131 + ... + 38302136.

It is an arithmetic number, because the mean of its divisors is an integer number (76604268).

Almost surely, 2229812801 is an apocalyptic number.

It is an amenable number.

229812801 is a deficient number, since it is larger than the sum of its proper divisors (76604271).

229812801 is an equidigital number, since it uses as much as digits as its factorization.

229812801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76604270.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 229812801 is about 15159.5778635159. The cubic root of 229812801 is about 612.5262971356.

The spelling of 229812801 in words is "two hundred twenty-nine million, eight hundred twelve thousand, eight hundred one".

Divisors: 1 3 76604267 229812801