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380968800 = 25352181877
BaseRepresentation
bin10110101101010…
…001111101100000
3222112212012221120
4112231101331200
51240012000200
6101445252240
712304116132
oct2655217540
9875765846
10380968800
11186057553
12a7704080
1360c0a134
143884d052
15236a49a0
hex16b51f60

380968800 has 144 divisors (see below), whose sum is σ = 1248326352. Its totient is φ = 100915200.

The previous prime is 380968787. The next prime is 380968801. The reversal of 380968800 is 8869083.

It is a hoax number, since the sum of its digits (42) 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 (380968801) 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, 433962 + ... + 434838.

It is an arithmetic number, because the mean of its divisors is an integer number (8668933).

Almost surely, 2380968800 is an apocalyptic number.

380968800 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 380968800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (624163176).

380968800 is an abundant number, since it is smaller than the sum of its proper divisors (867357552).

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

380968800 is a wasteful number, since it uses less digits than its factorization.

380968800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 380968800 is about 19518.4220673701. The cubic root of 380968800 is about 724.9306632065.

The spelling of 380968800 in words is "three hundred eighty million, nine hundred sixty-eight thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 150 160 181 200 240 300 362 400 480 543 600 724 800 877 905 1086 1200 1448 1754 1810 2172 2400 2631 2715 2896 3508 3620 4344 4385 4525 5262 5430 5792 7016 7240 8688 8770 9050 10524 10860 13155 13575 14032 14480 17376 17540 18100 21048 21720 21925 26310 27150 28064 28960 35080 36200 42096 43440 43850 52620 54300 65775 70160 72400 84192 86880 87700 105240 108600 131550 140320 144800 158737 175400 210480 217200 263100 317474 350800 420960 434400 476211 526200 634948 701600 793685 952422 1052400 1269896 1587370 1904844 2104800 2381055 2539792 3174740 3809688 3968425 4762110 5079584 6349480 7619376 7936850 9524220 11905275 12698960 15238752 15873700 19048440 23810550 25397920 31747400 38096880 47621100 63494800 76193760 95242200 126989600 190484400 380968800