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16055979 = 353100981
BaseRepresentation
bin111101001111…
…111010101011
31010012201122220
4331033322223
513102242404
61332045123
7253321302
oct75177253
933181586
1016055979
119077105
1254637a3
1334321a4
1421bd439
1516224d9
hexf4feab

16055979 has 8 divisors (see below), whose sum is σ = 21812112. Its totient is φ = 10501920.

The previous prime is 16055953. The next prime is 16055987. The reversal of 16055979 is 97955061.

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

It is not a de Polignac number, because 16055979 - 221 = 13958827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16055979.

It is not an unprimeable number, because it can be changed into a prime (16055929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50332 + ... + 50649.

It is an arithmetic number, because the mean of its divisors is an integer number (2726514).

Almost surely, 216055979 is an apocalyptic number.

16055979 is a deficient number, since it is larger than the sum of its proper divisors (5756133).

16055979 is a wasteful number, since it uses less digits than its factorization.

16055979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101037.

The product of its (nonzero) digits is 85050, while the sum is 42.

The square root of 16055979 is about 4006.9912652762. The cubic root of 16055979 is about 252.2777392575.

The spelling of 16055979 in words is "sixteen million, fifty-five thousand, nine hundred seventy-nine".

Divisors: 1 3 53 159 100981 302943 5351993 16055979