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1342005 = 35712781
BaseRepresentation
bin101000111101000110101
32112011212220
411013220311
5320421010
644432553
714256360
oct5075065
92464786
101342005
118372a5
12548759
1337cab2
1426d0d7
151b7970
hex147a35

1342005 has 16 divisors (see below), whose sum is σ = 2454144. Its totient is φ = 613440.

The previous prime is 1342001. The next prime is 1342007. The reversal of 1342005 is 5002431.

It is not a de Polignac number, because 1342005 - 22 = 1342001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342001) 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 15 ways as a sum of consecutive naturals, for example, 6286 + ... + 6495.

It is an arithmetic number, because the mean of its divisors is an integer number (153384).

21342005 is an apocalyptic number.

1342005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1342005 is a deficient number, since it is larger than the sum of its proper divisors (1112139).

1342005 is a wasteful number, since it uses less digits than its factorization.

1342005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12796.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1342005 is about 1158.4493946651. The cubic root of 1342005 is about 110.3023363078.

Adding to 1342005 its reverse (5002431), we get a palindrome (6344436).

The spelling of 1342005 in words is "one million, three hundred forty-two thousand, five".

Divisors: 1 3 5 7 15 21 35 105 12781 38343 63905 89467 191715 268401 447335 1342005