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1368043 = 7917317
BaseRepresentation
bin101001101111111101011
32120111121021
411031333223
5322234133
645153311
714425315
oct5157753
92514537
101368043
11854916
1255b837
1338b8c1
142787b5
151c052d
hex14dfeb

1368043 has 4 divisors (see below), whose sum is σ = 1385440. Its totient is φ = 1350648.

The previous prime is 1368013. The next prime is 1368053. The reversal of 1368043 is 3408631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3408631 = 29117539.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1368043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1367999 and 1368017.

It is not an unprimeable number, because it can be changed into a prime (1368013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8580 + ... + 8737.

It is an arithmetic number, because the mean of its divisors is an integer number (346360).

21368043 is an apocalyptic number.

1368043 is a deficient number, since it is larger than the sum of its proper divisors (17397).

1368043 is an equidigital number, since it uses as much as digits as its factorization.

1368043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17396.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1368043 is about 1169.6337033448. The cubic root of 1368043 is about 111.0111451623.

The spelling of 1368043 in words is "one million, three hundred sixty-eight thousand, forty-three".

Divisors: 1 79 17317 1368043