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16042345 = 51131972
BaseRepresentation
bin111101001100…
…100101101001
31010012000221221
4331030211221
513101323340
61331502041
7253233454
oct75144551
933160857
1016042345
119067940
125457921
133428c17
1421b849b
15161d44a
hexf4c969

16042345 has 24 divisors (see below), whose sum is σ = 21904128. Its totient is φ = 11174400.

The previous prime is 16042343. The next prime is 16042361. The reversal of 16042345 is 54324061.

It is not a de Polignac number, because 16042345 - 21 = 16042343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16042343) 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 23 ways as a sum of consecutive naturals, for example, 165337 + ... + 165433.

It is an arithmetic number, because the mean of its divisors is an integer number (912672).

Almost surely, 216042345 is an apocalyptic number.

It is an amenable number.

16042345 is a deficient number, since it is larger than the sum of its proper divisors (5861783).

16042345 is an equidigital number, since it uses as much as digits as its factorization.

16042345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 16042345 is about 4005.2896274801. The cubic root of 16042345 is about 252.2063114791.

The spelling of 16042345 in words is "sixteen million, forty-two thousand, three hundred forty-five".

Divisors: 1 5 11 31 55 97 155 341 485 1067 1705 3007 5335 9409 15035 33077 47045 103499 165385 291679 517495 1458395 3208469 16042345