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13822349 = 37397941
BaseRepresentation
bin110100101110…
…100110001101
3222000020200212
4310232212031
512014303344
61212132205
7225326252
oct64564615
928006625
1013822349
117890a32
124767065
132b2c608
141b9b429
15133079e
hexd2e98d

13822349 has 8 divisors (see below), whose sum is σ = 14246808. Its totient is φ = 13400640.

The previous prime is 13822339. The next prime is 13822363. The reversal of 13822349 is 94322831.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6666724 + 7155625 = 2582^2 + 2675^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13822349 - 28 = 13822093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13822339) 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 7 ways as a sum of consecutive naturals, for example, 14219 + ... + 15159.

It is an arithmetic number, because the mean of its divisors is an integer number (1780851).

Almost surely, 213822349 is an apocalyptic number.

It is an amenable number.

13822349 is a deficient number, since it is larger than the sum of its proper divisors (424459).

13822349 is an equidigital number, since it uses as much as digits as its factorization.

13822349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375.

The product of its digits is 10368, while the sum is 32.

The square root of 13822349 is about 3717.8419815802. The cubic root of 13822349 is about 239.9904452215.

The spelling of 13822349 in words is "thirteen million, eight hundred twenty-two thousand, three hundred forty-nine".

Divisors: 1 37 397 941 14689 34817 373577 13822349