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1390395 = 3592693
BaseRepresentation
bin101010011011100111011
32121122021010
411103130323
5323443040
645445003
714550426
oct5233473
92548233
101390395
1186a696
12570763
13398b26
142829bd
151c6e80
hex15373b

1390395 has 8 divisors (see below), whose sum is σ = 2224656. Its totient is φ = 741536.

The previous prime is 1390391. The next prime is 1390399. The reversal of 1390395 is 5930931.

It is an interprime number because it is at equal distance from previous prime (1390391) and next prime (1390399).

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 1390395 - 22 = 1390391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1390391) 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 in 7 ways as a sum of consecutive naturals, for example, 46332 + ... + 46361.

It is an arithmetic number, because the mean of its divisors is an integer number (278082).

21390395 is an apocalyptic number.

1390395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1390395 is a deficient number, since it is larger than the sum of its proper divisors (834261).

1390395 is an equidigital number, since it uses as much as digits as its factorization.

1390395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92701.

The product of its (nonzero) digits is 3645, while the sum is 30.

The square root of 1390395 is about 1179.1501176695. The cubic root of 1390395 is about 111.6124733942.

The spelling of 1390395 in words is "one million, three hundred ninety thousand, three hundred ninety-five".

Divisors: 1 3 5 15 92693 278079 463465 1390395