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2082138 = 233783113
BaseRepresentation
bin111111100010101011010
310220210011020
413330111122
51013112023
6112343310
723461242
oct7742532
93823136
102082138
1111a2383
12844b36
1357b946
143c2b22
152b1de3
hex1fc55a

2082138 has 32 divisors (see below), whose sum is σ = 4366656. Its totient is φ = 661248.

The previous prime is 2082133. The next prime is 2082163. The reversal of 2082138 is 8312802.

It is not an unprimeable number, because it can be changed into a prime (2082131) 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 15 ways as a sum of consecutive naturals, for example, 18370 + ... + 18482.

It is an arithmetic number, because the mean of its divisors is an integer number (136458).

22082138 is an apocalyptic number.

2082138 is an abundant number, since it is smaller than the sum of its proper divisors (2284518).

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

2082138 is a wasteful number, since it uses less digits than its factorization.

2082138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 2082138 is about 1442.9615379490. The cubic root of 2082138 is about 127.6938075202.

It can be divided in two parts, 208 and 2138, that added together give a triangular number (2346 = T68).

The spelling of 2082138 in words is "two million, eighty-two thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 37 74 83 111 113 166 222 226 249 339 498 678 3071 4181 6142 8362 9213 9379 12543 18426 18758 25086 28137 56274 347023 694046 1041069 2082138