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228936704 = 2101791249
BaseRepresentation
bin11011010010101…
…00110000000000
3120221210012010012
431221110300000
5432101433304
634414524052
75446633643
oct1551246000
9527705105
10228936704
11108257597
1264806628
1338579309
1422595a5a
151517316e
hexda54c00

228936704 has 44 divisors (see below), whose sum is σ = 460575000. Its totient is φ = 113737728.

The previous prime is 228936703. The next prime is 228936751. The reversal of 228936704 is 407639822.

It is a happy number.

228936704 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (228936703) 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, 182672 + ... + 183920.

Almost surely, 2228936704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228936704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230287500).

228936704 is an abundant number, since it is smaller than the sum of its proper divisors (231638296).

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

228936704 is a wasteful number, since it uses less digits than its factorization.

228936704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448 (or 1430 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 228936704 is about 15130.6544471811. The cubic root of 228936704 is about 611.7469442343.

The spelling of 228936704 in words is "two hundred twenty-eight million, nine hundred thirty-six thousand, seven hundred four".

Divisors: 1 2 4 8 16 32 64 128 179 256 358 512 716 1024 1249 1432 2498 2864 4996 5728 9992 11456 19984 22912 39968 45824 79936 91648 159872 183296 223571 319744 447142 639488 894284 1278976 1788568 3577136 7154272 14308544 28617088 57234176 114468352 228936704