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380678219 is a prime number
BaseRepresentation
bin10110101100001…
…011000001001011
3222112022110100022
4112230023001023
51234423200334
6101435131055
712301466015
oct2654130113
9875273308
10380678219
111859791a9
12a75a3a8b
1360b37aac
14387b51b5
152364882e
hex16b0b04b

380678219 has 2 divisors, whose sum is σ = 380678220. Its totient is φ = 380678218.

The previous prime is 380678213. The next prime is 380678251. The reversal of 380678219 is 912876083.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 380678219 - 212 = 380674123 is a prime.

It is a super-2 number, since 2×3806782192 = 289831812842023922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 380678219.

It is not a weakly prime, because it can be changed into another prime (380678213) by changing a digit.

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 as a sum of consecutive naturals, namely, 190339109 + 190339110.

It is an arithmetic number, because the mean of its divisors is an integer number (190339110).

Almost surely, 2380678219 is an apocalyptic number.

380678219 is a deficient number, since it is larger than the sum of its proper divisors (1).

380678219 is an equidigital number, since it uses as much as digits as its factorization.

380678219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 380678219 is about 19510.9768848205. The cubic root of 380678219 is about 724.7463045773.

The spelling of 380678219 in words is "three hundred eighty million, six hundred seventy-eight thousand, two hundred nineteen".