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4120855 = 55961229
BaseRepresentation
bin1111101110000100010111
321202100202021
433232010113
52023331410
6224154011
750012104
oct17560427
97670667
104120855
112365072
121468907
13b1389b
14793aab
15565eda
hex3ee117

4120855 has 16 divisors (see below), whose sum is σ = 5133600. Its totient is φ = 3173760.

The previous prime is 4120849. The next prime is 4120873. The reversal of 4120855 is 5580214.

It is not a de Polignac number, because 4120855 - 23 = 4120847 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 17881 + ... + 18109.

It is an arithmetic number, because the mean of its divisors is an integer number (320850).

Almost surely, 24120855 is an apocalyptic number.

4120855 is a deficient number, since it is larger than the sum of its proper divisors (1012745).

4120855 is a wasteful number, since it uses less digits than its factorization.

4120855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 4120855 is about 2029.9889162259. The cubic root of 4120855 is about 160.3229803967.

The spelling of 4120855 in words is "four million, one hundred twenty thousand, eight hundred fifty-five".

Divisors: 1 5 59 61 229 295 305 1145 3599 13511 13969 17995 67555 69845 824171 4120855