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1397085 = 3593139
BaseRepresentation
bin101010101000101011101
32121222102220
411111011131
5324201320
645535553
714606064
oct5250535
92558386
101397085
11874718
125745b9
1339bba1
142851db
151c8e40
hex15515d

1397085 has 8 divisors (see below), whose sum is σ = 2235360. Its totient is φ = 745104.

The previous prime is 1397069. The next prime is 1397087. The reversal of 1397085 is 5807931.

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

It is not a de Polignac number, because 1397085 - 24 = 1397069 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397087) 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, 46555 + ... + 46584.

It is an arithmetic number, because the mean of its divisors is an integer number (279420).

21397085 is an apocalyptic number.

1397085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1397085 is a deficient number, since it is larger than the sum of its proper divisors (838275).

1397085 is an equidigital number, since it uses as much as digits as its factorization.

1397085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93147.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 1397085 is about 1181.9835024229. The cubic root of 1397085 is about 111.7911979186.

The spelling of 1397085 in words is "one million, three hundred ninety-seven thousand, eighty-five".

Divisors: 1 3 5 15 93139 279417 465695 1397085