Search a number
-
+
384028320 = 25351361543
BaseRepresentation
bin10110111000111…
…100111010100000
3222202121122211010
4112320330322200
51241302401240
6102035020520
712342121044
oct2670747240
9882548733
10384028320
11187857185
12a873a740
136173b8c0
1439008024
1523aab280
hex16e3cea0

384028320 has 96 divisors (see below), whose sum is σ = 1302763392. Its totient is φ = 94528512.

The previous prime is 384028319. The next prime is 384028321. The reversal of 384028320 is 23820483.

It is an interprime number because it is at equal distance from previous prime (384028319) and next prime (384028321).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (384028321) 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, 24532 + ... + 37011.

It is an arithmetic number, because the mean of its divisors is an integer number (13570452).

Almost surely, 2384028320 is an apocalyptic number.

384028320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

384028320 is an abundant number, since it is smaller than the sum of its proper divisors (918735072).

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

384028320 is a wasteful number, since it uses less digits than its factorization.

384028320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61574 (or 61566 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 384028320 is about 19596.6405284171. The cubic root of 384028320 is about 726.8661050461.

The spelling of 384028320 in words is "three hundred eighty-four million, twenty-eight thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 65 78 80 96 104 120 130 156 160 195 208 240 260 312 390 416 480 520 624 780 1040 1248 1560 2080 3120 6240 61543 123086 184629 246172 307715 369258 492344 615430 738516 800059 923145 984688 1230860 1477032 1600118 1846290 1969376 2400177 2461720 2954064 3200236 3692580 4000295 4800354 4923440 5908128 6400472 7385160 8000590 9600708 9846880 12000885 12800944 14770320 16001180 19201416 24001770 25601888 29540640 32002360 38402832 48003540 64004720 76805664 96007080 128009440 192014160 384028320