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284113872 = 24337471999
BaseRepresentation
bin10000111011110…
…011101111010000
3201210121110222000
4100323303233100
51040213120442
644105314000
710016633220
oct2073635720
9653543860
10284113872
11136413a59
127b195900
1346b28023
1429a3a080
1519e21d4c
hex10ef3bd0

284113872 has 160 divisors (see below), whose sum is σ = 952320000. Its totient is φ = 79408512.

The previous prime is 284113849. The next prime is 284113889. The reversal of 284113872 is 278311482.

284113872 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 (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141129 + ... + 143127.

It is an arithmetic number, because the mean of its divisors is an integer number (5952000).

Almost surely, 2284113872 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 284113872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (476160000).

284113872 is an abundant number, since it is smaller than the sum of its proper divisors (668206128).

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

284113872 is a wasteful number, since it uses less digits than its factorization.

284113872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070 (or 2058 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 284113872 is about 16855.6777377832. The cubic root of 284113872 is about 657.4016850979.

The spelling of 284113872 in words is "two hundred eighty-four million, one hundred thirteen thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 47 48 54 56 63 72 84 94 108 112 126 141 144 168 188 189 216 252 282 329 336 376 378 423 432 504 564 658 752 756 846 987 1008 1128 1269 1316 1512 1692 1974 1999 2256 2538 2632 2961 3024 3384 3948 3998 5076 5264 5922 5997 6768 7896 7996 8883 10152 11844 11994 13993 15792 15992 17766 17991 20304 23688 23988 27986 31984 35532 35982 41979 47376 47976 53973 55972 71064 71964 83958 93953 95952 107946 111944 125937 142128 143928 167916 187906 215892 223888 251874 281859 287856 335832 375812 377811 431784 503748 563718 657671 671664 751624 755622 845577 863568 1007496 1127436 1315342 1503248 1511244 1691154 1973013 2014992 2254872 2536731 2630684 3022488 3382308 3946026 4509744 5073462 5261368 5919039 6044976 6764616 7892052 10146924 10522736 11838078 13529232 15784104 17757117 20293848 23676156 31568208 35514234 40587696 47352312 71028468 94704624 142056936 284113872