Search a number
-
+
380027600 = 2452291812
BaseRepresentation
bin10110101001101…
…100001011010000
3222111002101212022
4112221230023100
51234241340400
6101413151012
712263116121
oct2651541320
9874071768
10380027600
111855743a7
12a732b468
136096a904
1438686048
152356ab85
hex16a6c2d0

380027600 has 90 divisors (see below), whose sum is σ = 949746690. Its totient is φ = 145958400.

The previous prime is 380027591. The next prime is 380027633. The reversal of 380027600 is 6720083.

It can be written as a sum of positive squares in 9 ways, for example, as 330803344 + 49224256 = 18188^2 + 7016^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 380027600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2099510 + ... + 2099690.

It is an arithmetic number, because the mean of its divisors is an integer number (10552741).

Almost surely, 2380027600 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 380027600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474873345).

380027600 is an abundant number, since it is smaller than the sum of its proper divisors (569719090).

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

380027600 is a wasteful number, since it uses less digits than its factorization.

380027600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 380027600 is about 19494.2966018269. The cubic root of 380027600 is about 724.3331799826. Note that the first 3 decimals are identical.

Adding to 380027600 its reverse (6720083), we get a palindrome (386747683).

The spelling of 380027600 in words is "three hundred eighty million, twenty-seven thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 29 40 50 58 80 100 116 145 181 200 232 290 362 400 464 580 724 725 905 1160 1448 1450 1810 2320 2896 2900 3620 4525 5249 5800 7240 9050 10498 11600 14480 18100 20996 26245 32761 36200 41992 52490 65522 72400 83984 104980 131044 131225 163805 209960 262088 262450 327610 419920 524176 524900 655220 819025 950069 1049800 1310440 1638050 1900138 2099600 2620880 3276100 3800276 4750345 6552200 7600552 9500690 13104400 15201104 19001380 23751725 38002760 47503450 76005520 95006900 190013800 380027600