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1341345 = 35223401
BaseRepresentation
bin101000111011110100001
32112010222110
411013132201
5320410340
644425533
714254425
oct5073641
92463873
101341345
11836855
125482a9
1337c6c5
1426cb85
151b7680
hex1477a1

1341345 has 16 divisors (see below), whose sum is σ = 2161152. Its totient is φ = 710400.

The previous prime is 1341323. The next prime is 1341359. The reversal of 1341345 is 5431431.

It is not a de Polignac number, because 1341345 - 25 = 1341313 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3145 + ... + 3545.

It is an arithmetic number, because the mean of its divisors is an integer number (135072).

21341345 is an apocalyptic number.

1341345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1341345 is the 669-th octagonal number.

It is an amenable number.

1341345 is a deficient number, since it is larger than the sum of its proper divisors (819807).

1341345 is a wasteful number, since it uses less digits than its factorization.

1341345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632.

The product of its digits is 720, while the sum is 21.

The square root of 1341345 is about 1158.1644960885. The cubic root of 1341345 is about 110.2842510599.

Adding to 1341345 its reverse (5431431), we get a palindrome (6772776).

The spelling of 1341345 in words is "one million, three hundred forty-one thousand, three hundred forty-five".

Divisors: 1 3 5 15 223 401 669 1115 1203 2005 3345 6015 89423 268269 447115 1341345