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16122443 = 17255787
BaseRepresentation
bin111101100000…
…001001001011
31010100002211112
4331200021023
513111404233
61333320535
7254016131
oct75401113
933302745
1016122443
119112037
12549614b
13345650c
1421d9751
151637048
hexf6024b

16122443 has 6 divisors (see below), whose sum is σ = 17126916. Its totient is φ = 15173792.

The previous prime is 16122437. The next prime is 16122473. The reversal of 16122443 is 34422161.

It is not a de Polignac number, because 16122443 - 24 = 16122427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16122413) 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 5 ways as a sum of consecutive naturals, for example, 27605 + ... + 28182.

It is an arithmetic number, because the mean of its divisors is an integer number (2854486).

Almost surely, 216122443 is an apocalyptic number.

16122443 is a deficient number, since it is larger than the sum of its proper divisors (1004473).

16122443 is an equidigital number, since it uses as much as digits as its factorization.

16122443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55821 (or 55804 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 16122443 is about 4015.2762046963. The cubic root of 16122443 is about 252.6253627072.

The spelling of 16122443 in words is "sixteen million, one hundred twenty-two thousand, four hundred forty-three".

Divisors: 1 17 289 55787 948379 16122443