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229493868 = 22331718689
BaseRepresentation
bin11011010110111…
…00110001101100
3120222211111101220
431223130301230
5432222300433
634434503340
75454444222
oct1553346154
9528744356
10229493868
111085a815a
1264a34b50
1338712ab6
142269cb12
15152332b3
hexdadcc6c

229493868 has 48 divisors (see below), whose sum is σ = 560609280. Its totient is φ = 72979200.

The previous prime is 229493867. The next prime is 229493879. The reversal of 229493868 is 868394922.

It is a self number, because there is not a number n which added to its sum of digits gives 229493868.

It is not an unprimeable number, because it can be changed into a prime (229493861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22068 + ... + 30756.

It is an arithmetic number, because the mean of its divisors is an integer number (11679360).

Almost surely, 2229493868 is an apocalyptic number.

It is an amenable number.

229493868 is an abundant number, since it is smaller than the sum of its proper divisors (331115412).

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

229493868 is a wasteful number, since it uses less digits than its factorization.

229493868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8798 (or 8796 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The square root of 229493868 is about 15149.0550200334. The cubic root of 229493868 is about 612.2428123612.

The spelling of 229493868 in words is "two hundred twenty-nine million, four hundred ninety-three thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 31 62 71 93 124 142 186 213 284 372 426 852 2201 4402 6603 8689 8804 13206 17378 26067 26412 34756 52134 104268 269359 538718 616919 808077 1077436 1233838 1616154 1850757 2467676 3232308 3701514 7403028 19124489 38248978 57373467 76497956 114746934 229493868