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380219 = 7291873
BaseRepresentation
bin1011100110100111011
3201022120012
41130310323
544131334
612052135
73142340
oct1346473
9638505
10380219
1123a734
1216404b
131040a8
149c7c7
15779ce
hex5cd3b

380219 has 8 divisors (see below), whose sum is σ = 449760. Its totient is φ = 314496.

The previous prime is 380207. The next prime is 380231. The reversal of 380219 is 912083.

It is an interprime number because it is at equal distance from previous prime (380207) and next prime (380231).

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

It is not a de Polignac number, because 380219 - 24 = 380203 is a prime.

It is a super-2 number, since 2×3802192 = 289132975922, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 380194 and 380203.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734 + ... + 1139.

It is an arithmetic number, because the mean of its divisors is an integer number (56220).

2380219 is an apocalyptic number.

380219 is a deficient number, since it is larger than the sum of its proper divisors (69541).

380219 is a wasteful number, since it uses less digits than its factorization.

380219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 380219 is about 616.6190071673. The cubic root of 380219 is about 72.4454762470.

The spelling of 380219 in words is "three hundred eighty thousand, two hundred nineteen".

Divisors: 1 7 29 203 1873 13111 54317 380219