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16105055 = 55715641
BaseRepresentation
bin111101011011…
…111001011111
31010022012222112
4331123321133
513110330210
61333104235
7253614341
oct75337137
933265875
1016105055
1190aaa6a
12548807b
13344b625
1421d3291
151631d05
hexf5be5f

16105055 has 8 divisors (see below), whose sum is σ = 19363344. Its totient is φ = 12859200.

The previous prime is 16105051. The next prime is 16105073. The reversal of 16105055 is 55050161.

16105055 is nontrivially palindromic in base 4.

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

It is not a de Polignac number, because 16105055 - 22 = 16105051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16105055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16105051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35 + ... + 5675.

It is an arithmetic number, because the mean of its divisors is an integer number (2420418).

Almost surely, 216105055 is an apocalyptic number.

16105055 is a deficient number, since it is larger than the sum of its proper divisors (3258289).

16105055 is an equidigital number, since it uses as much as digits as its factorization.

16105055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6217.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 16105055 is about 4013.1103897102. The cubic root of 16105055 is about 252.5345115067.

The spelling of 16105055 in words is "sixteen million, one hundred five thousand, fifty-five".

Divisors: 1 5 571 2855 5641 28205 3221011 16105055