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4219105 = 511411871
BaseRepresentation
bin10000000110000011100001
321221100112011
4100012003201
52040002410
6230232521
750601412
oct20060341
97840464
104219105
112421970
1214b5741
13b49517
147bb809
1558518a
hex4060e1

4219105 has 16 divisors (see below), whose sum is σ = 5660928. Its totient is φ = 2992000.

The previous prime is 4219099. The next prime is 4219133. The reversal of 4219105 is 5019124.

It is a de Polignac number, because none of the positive numbers 2k-4219105 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1320 + ... + 3190.

It is an arithmetic number, because the mean of its divisors is an integer number (353808).

Almost surely, 24219105 is an apocalyptic number.

It is an amenable number.

4219105 is a deficient number, since it is larger than the sum of its proper divisors (1441823).

4219105 is a wasteful number, since it uses less digits than its factorization.

4219105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 4219105 is about 2054.0460072744. The cubic root of 4219105 is about 161.5871339175.

The spelling of 4219105 in words is "four million, two hundred nineteen thousand, one hundred five".

Divisors: 1 5 11 41 55 205 451 1871 2255 9355 20581 76711 102905 383555 843821 4219105