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284256112 = 24719312139
BaseRepresentation
bin10000111100010…
…110011101110000
3201210212201002011
4100330112131300
51040232143422
644112332304
710021065010
oct2074263560
9653781064
10284256112
11136500908
127b244094
1346b779aa
1429a75c40
1519e4e077
hex10f16770

284256112 has 120 divisors (see below), whose sum is σ = 689539200. Its totient is φ = 110885760.

The previous prime is 284256109. The next prime is 284256113. The reversal of 284256112 is 211652482.

284256112 is digitally balanced in base 3, because in such base 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 (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284256113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2044939 + ... + 2045077.

It is an arithmetic number, because the mean of its divisors is an integer number (5746160).

Almost surely, 2284256112 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 284256112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344769600).

284256112 is an abundant number, since it is smaller than the sum of its proper divisors (405283088).

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

284256112 is a wasteful number, since it uses less digits than its factorization.

284256112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 198 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 284256112 is about 16859.8965595878. The cubic root of 284256112 is about 657.5113749375.

The spelling of 284256112 in words is "two hundred eighty-four million, two hundred fifty-six thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 19 28 31 38 56 62 76 112 124 133 139 152 217 248 266 278 304 434 496 532 556 589 868 961 973 1064 1112 1178 1736 1922 1946 2128 2224 2356 2641 3472 3844 3892 4123 4309 4712 5282 6727 7688 7784 8246 8618 9424 10564 13454 15376 15568 16492 17236 18259 18487 21128 26908 30163 32984 34472 36518 36974 42256 53816 60326 65968 68944 73036 73948 81871 107632 120652 127813 133579 146072 147896 163742 241304 255626 267158 292144 295792 327484 482608 511252 534316 573097 654968 935053 1022504 1068632 1146194 1309936 1870106 2045008 2137264 2292388 2538001 3740212 4584776 5076002 7480424 9169552 10152004 14960848 17766007 20304008 35532014 40608016 71064028 142128056 284256112