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2105184 = 25321929
BaseRepresentation
bin1000000001111101100000
310221221202210
420001331200
51014331214
6113042120
723615364
oct10017540
93857683
102105184
111208724
12856340
13589293
143cb2a4
152b8b59
hex201f60

2105184 has 24 divisors (see below), whose sum is σ = 5526360. Its totient is φ = 701696.

The previous prime is 2105183. The next prime is 2105203. The reversal of 2105184 is 4815012.

It is a tau number, because it is divible by the number of its divisors (24).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2105184.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10869 + ... + 11060.

It is an arithmetic number, because the mean of its divisors is an integer number (230265).

22105184 is an apocalyptic number.

2105184 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2105184 is an abundant number, since it is smaller than the sum of its proper divisors (3421176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2105184 is a wasteful number, since it uses less digits than its factorization.

2105184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21942 (or 21934 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 2105184 is about 1450.9252220566. The cubic root of 2105184 is about 128.1632032815.

The spelling of 2105184 in words is "two million, one hundred five thousand, one hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 21929 43858 65787 87716 131574 175432 263148 350864 526296 701728 1052592 2105184