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13822049 = 43321443
BaseRepresentation
bin110100101110…
…100001100001
3222000020021202
4310232201201
512014301144
61212130545
7225325343
oct64564141
928006252
1013822049
11789078a
124766a55
132b2c437
141b9b293
15133064e
hexd2e861

13822049 has 4 divisors (see below), whose sum is σ = 14143536. Its totient is φ = 13500564.

The previous prime is 13822031. The next prime is 13822093. The reversal of 13822049 is 94022831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13822049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13822099) 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 3 ways as a sum of consecutive naturals, for example, 160679 + ... + 160764.

It is an arithmetic number, because the mean of its divisors is an integer number (3535884).

Almost surely, 213822049 is an apocalyptic number.

It is an amenable number.

13822049 is a deficient number, since it is larger than the sum of its proper divisors (321487).

13822049 is an equidigital number, since it uses as much as digits as its factorization.

13822049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321486.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 13822049 is about 3717.8016353754. The cubic root of 13822049 is about 239.9887089596.

The spelling of 13822049 in words is "thirteen million, eight hundred twenty-two thousand, forty-nine".

Divisors: 1 43 321443 13822049