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228704112 = 243271331563
BaseRepresentation
bin11011010000110…
…11111101110000
3120221100101001200
431220123331300
5432022012422
634405531200
75444644560
oct1550337560
9527311050
10228704112
1110810886a
1264713b00
13384c74a0
1422534da0
15151292ac
hexda1bf70

228704112 has 240 divisors, whose sum is σ = 814614528. Its totient is φ = 58268160.

The previous prime is 228704107. The next prime is 228704129. The reversal of 228704112 is 211407822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 405943 + ... + 406505.

Almost surely, 2228704112 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 228704112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407307264).

228704112 is an abundant number, since it is smaller than the sum of its proper divisors (585910416).

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

228704112 is a wasteful number, since it uses less digits than its factorization.

228704112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 228704112 is about 15122.9663756817. The cubic root of 228704112 is about 611.5397025871.

The spelling of 228704112 in words is "two hundred twenty-eight million, seven hundred four thousand, one hundred twelve".