Search a number
-
+
384800208 = 243131813407
BaseRepresentation
bin10110111011111…
…001010111010000
3222211001212122120
4112323321113100
51242002101313
6102103334240
712351514332
oct2673712720
9884055576
10384800208
11188234101
12a8a51380
136194c040
1439169452
1523baed23
hex16ef95d0

384800208 has 80 divisors (see below), whose sum is σ = 1076764416. Its totient is φ = 117711360.

The previous prime is 384800167. The next prime is 384800209. The reversal of 384800208 is 802008483.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384800209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111241 + ... + 114647.

Almost surely, 2384800208 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 384800208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538382208).

384800208 is an abundant number, since it is smaller than the sum of its proper divisors (691964208).

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

384800208 is a wasteful number, since it uses less digits than its factorization.

384800208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3612 (or 3606 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 384800208 is about 19616.3250380901. The cubic root of 384800208 is about 727.3527737879.

The spelling of 384800208 in words is "three hundred eighty-four million, eight hundred thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 181 208 312 362 543 624 724 1086 1448 2172 2353 2896 3407 4344 4706 6814 7059 8688 9412 10221 13628 14118 18824 20442 27256 28236 37648 40884 44291 54512 56472 81768 88582 112944 132873 163536 177164 265746 354328 531492 616667 708656 1062984 1233334 1850001 2125968 2466668 3700002 4933336 7400004 8016671 9866672 14800008 16033342 24050013 29600016 32066684 48100026 64133368 96200052 128266736 192400104 384800208