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1380019 = 4197347
BaseRepresentation
bin101010000111010110011
32121010000211
411100322303
5323130034
645324551
714505244
oct5207263
92533024
101380019
11862913
12566757
133941a4
1427cccb
151c3d64
hex150eb3

1380019 has 8 divisors (see below), whose sum is σ = 1432368. Its totient is φ = 1328640.

The previous prime is 1380013. The next prime is 1380031. The reversal of 1380019 is 9100831.

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 1380019 - 213 = 1371827 is a prime.

It is a super-2 number, since 2×13800192 = 3808904880722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1380013) 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, 3804 + ... + 4150.

It is an arithmetic number, because the mean of its divisors is an integer number (179046).

21380019 is an apocalyptic number.

1380019 is a deficient number, since it is larger than the sum of its proper divisors (52349).

1380019 is an equidigital number, since it uses as much as digits as its factorization.

1380019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1380019 is about 1174.7420993563. The cubic root of 1380019 is about 111.3341391012.

The spelling of 1380019 in words is "one million, three hundred eighty thousand, nineteen".

Divisors: 1 41 97 347 3977 14227 33659 1380019