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2081384 = 231511723
BaseRepresentation
bin111111100001001101000
310220202010022
413330021220
51013101014
6112340012
723456114
oct7741150
93822108
102081384
1111a1858
12844608
1357b4b6
143c2744
152b1a8e
hex1fc268

2081384 has 16 divisors (see below), whose sum is σ = 3930720. Its totient is φ = 1033200.

The previous prime is 2081383. The next prime is 2081407. The reversal of 2081384 is 4831802.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2081383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347 + ... + 2069.

It is an arithmetic number, because the mean of its divisors is an integer number (245670).

22081384 is an apocalyptic number.

It is an amenable number.

2081384 is a deficient number, since it is larger than the sum of its proper divisors (1849336).

2081384 is a wasteful number, since it uses less digits than its factorization.

2081384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880 (or 1876 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 2081384 is about 1442.7002460664. The cubic root of 2081384 is about 127.6783918345.

The spelling of 2081384 in words is "two million, eighty-one thousand, three hundred eighty-four".

Divisors: 1 2 4 8 151 302 604 1208 1723 3446 6892 13784 260173 520346 1040692 2081384