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228404112 = 24317416827
BaseRepresentation
bin11011001110100…
…10101110010000
3120220210010112120
431213102232100
5431432412422
634355254240
75442255126
oct1547225620
9526703476
10228404112
11107a23432
12645aa380
1338420a81
1422497916
15150ba45c
hexd9d2b90

228404112 has 80 divisors (see below), whose sum is σ = 640084032. Its totient is φ = 69898240.

The previous prime is 228404107. The next prime is 228404119. The reversal of 228404112 is 211404822.

228404112 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (228404119) 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, 30043 + ... + 36869.

Almost surely, 2228404112 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 228404112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320042016).

228404112 is an abundant number, since it is smaller than the sum of its proper divisors (411679920).

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

228404112 is a wasteful number, since it uses less digits than its factorization.

228404112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6896 (or 6890 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 228404112 is about 15113.0444318807. The cubic root of 228404112 is about 611.2721921844.

Adding to 228404112 its reverse (211404822), we get a palindrome (439808934).

The spelling of 228404112 in words is "two hundred twenty-eight million, four hundred four thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 41 48 51 68 82 102 123 136 164 204 246 272 328 408 492 656 697 816 984 1394 1968 2091 2788 4182 5576 6827 8364 11152 13654 16728 20481 27308 33456 40962 54616 81924 109232 116059 163848 232118 279907 327696 348177 464236 559814 696354 839721 928472 1119628 1392708 1679442 1856944 2239256 2785416 3358884 4478512 4758419 5570832 6717768 9516838 13435536 14275257 19033676 28550514 38067352 57101028 76134704 114202056 228404112