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1368607 = 8211667
BaseRepresentation
bin101001110001000011111
32120112101011
411032020133
5322243412
645200051
714430052
oct5161037
92515334
101368607
11855289
12560027
1338bc36
14278a99
151c07a7
hex14e21f

1368607 has 4 divisors (see below), whose sum is σ = 1371096. Its totient is φ = 1366120.

The previous prime is 1368599. The next prime is 1368617. The reversal of 1368607 is 7068631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7068631 = 21613271.

It is a cyclic number.

It is not a de Polignac number, because 1368607 - 23 = 1368599 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368617) 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 3 ways as a sum of consecutive naturals, for example, 13 + ... + 1654.

It is an arithmetic number, because the mean of its divisors is an integer number (342774).

21368607 is an apocalyptic number.

1368607 is a deficient number, since it is larger than the sum of its proper divisors (2489).

1368607 is an equidigital number, since it uses as much as digits as its factorization.

1368607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1368607 is about 1169.8747796239. The cubic root of 1368607 is about 111.0263985045.

The spelling of 1368607 in words is "one million, three hundred sixty-eight thousand, six hundred seven".

Divisors: 1 821 1667 1368607