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1380195 = 32530671
BaseRepresentation
bin101010000111101100011
32121010021100
411100331203
5323131240
645325443
714505615
oct5207543
92533240
101380195
11862a63
12566883
133942ab
1427cdb5
151c3e30
hex150f63

1380195 has 12 divisors (see below), whose sum is σ = 2392416. Its totient is φ = 736080.

The previous prime is 1380163. The next prime is 1380199. The reversal of 1380195 is 5910831.

It is not a de Polignac number, because 1380195 - 25 = 1380163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1380199) 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 11 ways as a sum of consecutive naturals, for example, 15291 + ... + 15380.

It is an arithmetic number, because the mean of its divisors is an integer number (199368).

21380195 is an apocalyptic number.

1380195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1380195 is a deficient number, since it is larger than the sum of its proper divisors (1012221).

1380195 is a wasteful number, since it uses less digits than its factorization.

1380195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30682 (or 30679 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1380195 is about 1174.8170070271. The cubic root of 1380195 is about 111.3388718804.

It can be divided in two parts, 13 and 80195, that added together give a palindrome (80208).

The spelling of 1380195 in words is "one million, three hundred eighty thousand, one hundred ninety-five".

Divisors: 1 3 5 9 15 45 30671 92013 153355 276039 460065 1380195