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229952808 = 23323193789
BaseRepresentation
bin11011011010011…
…00110100101000
3121000200210221200
431231030310220
5432331442213
634452404200
75461365231
oct1555146450
9530623850
10229952808
11108890a48
1265016660
1338843967
142277c088
15152c4273
hexdb4cd28

229952808 has 24 divisors (see below), whose sum is σ = 622789050. Its totient is φ = 76650912.

The previous prime is 229952797. The next prime is 229952809. The reversal of 229952808 is 808259922.

229952808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 229886244 + 66564 = 15162^2 + 258^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (229952809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1596823 + ... + 1596966.

Almost surely, 2229952808 is an apocalyptic number.

It is an amenable number.

229952808 is an abundant number, since it is smaller than the sum of its proper divisors (392836242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

229952808 is a wasteful number, since it uses less digits than its factorization.

229952808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3193801 (or 3193794 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 229952808 is about 15164.1949341203. The cubic root of 229952808 is about 612.6506600367.

The spelling of 229952808 in words is "two hundred twenty-nine million, nine hundred fifty-two thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 3193789 6387578 9581367 12775156 19162734 25550312 28744101 38325468 57488202 76650936 114976404 229952808