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2844138 = 231143093
BaseRepresentation
bin1010110110010111101010
312100111102110
422312113222
51212003023
6140543150
733113643
oct12662752
95314373
102844138
111672930
12b51ab6
1378772b
145406ca
153b2a93
hex2b65ea

2844138 has 16 divisors (see below), whose sum is σ = 6205536. Its totient is φ = 861840.

The previous prime is 2844133. The next prime is 2844197. The reversal of 2844138 is 8314482.

It is not an unprimeable number, because it can be changed into a prime (2844133) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21481 + ... + 21612.

It is an arithmetic number, because the mean of its divisors is an integer number (387846).

22844138 is an apocalyptic number.

2844138 is an abundant number, since it is smaller than the sum of its proper divisors (3361398).

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

2844138 is a wasteful number, since it uses less digits than its factorization.

2844138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43109.

The product of its digits is 6144, while the sum is 30.

The square root of 2844138 is about 1686.4572333742. The cubic root of 2844138 is about 141.6827208258.

The spelling of 2844138 in words is "two million, eight hundred forty-four thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 11 22 33 66 43093 86186 129279 258558 474023 948046 1422069 2844138