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380208 = 243892
BaseRepresentation
bin1011100110100110000
3201022112210
41130310300
544131313
612052120
73142323
oct1346460
9638483
10380208
1123a724
12164040
1310409a
149c7ba
15779c3
hex5cd30

380208 has 30 divisors (see below), whose sum is σ = 993364. Its totient is φ = 125312.

The previous prime is 380207. The next prime is 380231. The reversal of 380208 is 802083.

It is not an unprimeable number, because it can be changed into a prime (380201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4228 + ... + 4316.

2380208 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 380208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496682).

380208 is an abundant number, since it is smaller than the sum of its proper divisors (613156).

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

380208 is an equidigital number, since it uses as much as digits as its factorization.

380208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 380208 is about 616.6100874945. The cubic root of 380208 is about 72.4447776076. Note that the first 3 decimals are identical.

Subtracting 380208 from its reverse (802083), we obtain a cube (421875 = 753).

The spelling of 380208 in words is "three hundred eighty thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 89 178 267 356 534 712 1068 1424 2136 4272 7921 15842 23763 31684 47526 63368 95052 126736 190104 380208