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380249 = 3743239
BaseRepresentation
bin1011100110101011001
3201022121022
41130311121
544131444
612052225
73142412
oct1346531
9638538
10380249
1123a761
12164075
131040cc
149c809
15779ee
hex5cd59

380249 has 8 divisors (see below), whose sum is σ = 401280. Its totient is φ = 359856.

The previous prime is 380231. The next prime is 380251. The reversal of 380249 is 942083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 380249 - 28 = 379993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (380269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1472 + ... + 1710.

It is an arithmetic number, because the mean of its divisors is an integer number (50160).

2380249 is an apocalyptic number.

It is an amenable number.

380249 is a deficient number, since it is larger than the sum of its proper divisors (21031).

380249 is a wasteful number, since it uses less digits than its factorization.

380249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 380249 is about 616.6433328919. The cubic root of 380249 is about 72.4473815587.

The spelling of 380249 in words is "three hundred eighty thousand, two hundred forty-nine".

Divisors: 1 37 43 239 1591 8843 10277 380249