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1349439 = 37134943
BaseRepresentation
bin101001001011100111111
32112120002020
411021130333
5321140224
644531223
714320140
oct5113477
92476066
101349439
11841943
12550b13
133832b0
14271ac7
151b9c79
hex14973f

1349439 has 16 divisors (see below), whose sum is σ = 2214912. Its totient is φ = 711648.

The previous prime is 1349423. The next prime is 1349471. The reversal of 1349439 is 9349431.

It is not a de Polignac number, because 1349439 - 24 = 1349423 is a prime.

It is a super-2 number, since 2×13494392 = 3641971229442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1349339) 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, 2199 + ... + 2744.

It is an arithmetic number, because the mean of its divisors is an integer number (138432).

21349439 is an apocalyptic number.

1349439 is a deficient number, since it is larger than the sum of its proper divisors (865473).

1349439 is a wasteful number, since it uses less digits than its factorization.

1349439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4966.

The product of its digits is 11664, while the sum is 33.

The square root of 1349439 is about 1161.6535628147. The cubic root of 1349439 is about 110.5056336406.

The spelling of 1349439 in words is "one million, three hundred forty-nine thousand, four hundred thirty-nine".

Divisors: 1 3 7 13 21 39 91 273 4943 14829 34601 64259 103803 192777 449813 1349439