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8872105 = 511971663
BaseRepresentation
bin100001110110…
…000010101001
3121200202020111
4201312002221
54232401410
6514054321
7135261124
oct41660251
917622214
108872105
11500a820
122b7a3a1
131ab8388
14126d3bb
15ba3b8a
hex8760a9

8872105 has 16 divisors (see below), whose sum is σ = 11741184. Its totient is φ = 6382080.

The previous prime is 8872103. The next prime is 8872121. The reversal of 8872105 is 5012788.

8872105 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8872105 - 21 = 8872103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8872103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4504 + ... + 6166.

It is an arithmetic number, because the mean of its divisors is an integer number (733824).

Almost surely, 28872105 is an apocalyptic number.

It is an amenable number.

8872105 is a deficient number, since it is larger than the sum of its proper divisors (2869079).

8872105 is a wasteful number, since it uses less digits than its factorization.

8872105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 8872105 is about 2978.6078963167. The cubic root of 8872105 is about 207.0183729715.

It can be divided in two parts, 887 and 2105, that added together give a palindrome (2992).

The spelling of 8872105 in words is "eight million, eight hundred seventy-two thousand, one hundred five".

Divisors: 1 5 11 55 97 485 1067 1663 5335 8315 18293 91465 161311 806555 1774421 8872105