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13922445 = 35928163
BaseRepresentation
bin110101000111…
…000010001101
3222012100000010
4311013002031
512031004240
61214223433
7226224135
oct65070215
928170003
1013922445
11794a159
1247b4b79
132b66044
141bc5ac5
151350280
hexd4708d

13922445 has 8 divisors (see below), whose sum is σ = 22275936. Its totient is φ = 7425296.

The previous prime is 13922423. The next prime is 13922453. The reversal of 13922445 is 54422931.

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 13922445 - 28 = 13922189 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 464067 + ... + 464096.

It is an arithmetic number, because the mean of its divisors is an integer number (2784492).

Almost surely, 213922445 is an apocalyptic number.

13922445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13922445 is a deficient number, since it is larger than the sum of its proper divisors (8353491).

13922445 is an equidigital number, since it uses as much as digits as its factorization.

13922445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928171.

The product of its digits is 8640, while the sum is 30.

The square root of 13922445 is about 3731.2792712420. The cubic root of 13922445 is about 240.5683578377.

The spelling of 13922445 in words is "thirteen million, nine hundred twenty-two thousand, four hundred forty-five".

Divisors: 1 3 5 15 928163 2784489 4640815 13922445