Search a number
-
+
1068387 = 3356129
BaseRepresentation
bin100000100110101100011
32000021112220
410010311203
5233142022
634522123
712036555
oct4046543
92007486
101068387
1166a771
12436343
132b53a8
141db4d5
1516185c
hex104d63

1068387 has 4 divisors (see below), whose sum is σ = 1424520. Its totient is φ = 712256.

The previous prime is 1068383. The next prime is 1068407. The reversal of 1068387 is 7838601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7838601 = 32612867.

It is a cyclic number.

It is not a de Polignac number, because 1068387 - 22 = 1068383 is a prime.

It is a super-2 number, since 2×10683872 = 2282901563538, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1068383) 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, 178062 + ... + 178067.

It is an arithmetic number, because the mean of its divisors is an integer number (356130).

21068387 is an apocalyptic number.

1068387 is a deficient number, since it is larger than the sum of its proper divisors (356133).

1068387 is an equidigital number, since it uses as much as digits as its factorization.

1068387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356132.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1068387 is about 1033.6280762441. The cubic root of 1068387 is about 102.2294909678.

The spelling of 1068387 in words is "one million, sixty-eight thousand, three hundred eighty-seven".

Divisors: 1 3 356129 1068387