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1342407 = 311192141
BaseRepresentation
bin101000111101111000111
32112012102210
411013233013
5320424112
644434503
714260503
oct5075707
92465383
101342407
11837630
12548a33
13380031
1426d303
151b7b3c
hex147bc7

1342407 has 16 divisors (see below), whose sum is σ = 2056320. Its totient is φ = 770400.

The previous prime is 1342403. The next prime is 1342409. The reversal of 1342407 is 7042431.

It is not a de Polignac number, because 1342407 - 22 = 1342403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444 + ... + 1697.

It is an arithmetic number, because the mean of its divisors is an integer number (128520).

21342407 is an apocalyptic number.

1342407 is a deficient number, since it is larger than the sum of its proper divisors (713913).

1342407 is a wasteful number, since it uses less digits than its factorization.

1342407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 1342407 is about 1158.6228894684. The cubic root of 1342407 is about 110.3133489624.

Adding to 1342407 its reverse (7042431), we get a palindrome (8384838).

The spelling of 1342407 in words is "one million, three hundred forty-two thousand, four hundred seven".

Divisors: 1 3 11 19 33 57 209 627 2141 6423 23551 40679 70653 122037 447469 1342407