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2182842 = 23340423
BaseRepresentation
bin1000010100111010111010
311002220022000
420110322322
51024322332
6114441430
724360654
oct10247272
94086260
102182842
111261002
12893276
135b572c
1440b6d4
152d1b7c
hex214eba

2182842 has 16 divisors (see below), whose sum is σ = 4850880. Its totient is φ = 727596.

The previous prime is 2182841. The next prime is 2182847. The reversal of 2182842 is 2482812.

2182842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (2182841) 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 7 ways as a sum of consecutive naturals, for example, 20158 + ... + 20265.

It is an arithmetic number, because the mean of its divisors is an integer number (303180).

22182842 is an apocalyptic number.

2182842 is an abundant number, since it is smaller than the sum of its proper divisors (2668038).

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

2182842 is a wasteful number, since it uses less digits than its factorization.

2182842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40434 (or 40428 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 2182842 is about 1477.4444151981. Note that the first 4 decimals coincide. The cubic root of 2182842 is about 129.7201474975.

The spelling of 2182842 in words is "two million, one hundred eighty-two thousand, eight hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 40423 80846 121269 242538 363807 727614 1091421 2182842