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2005242 = 231492243
BaseRepresentation
bin111101001100011111010
310202212200020
413221203322
51003131432
6110551310
723021121
oct7514372
93685606
102005242
11114a628
12808536
13552945
143a2ab8
1529922c
hex1e98fa

2005242 has 16 divisors (see below), whose sum is σ = 4039200. Its totient is φ = 663632.

The previous prime is 2005231. The next prime is 2005249. The reversal of 2005242 is 2425002.

It is not an unprimeable number, because it can be changed into a prime (2005249) 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, 228 + ... + 2015.

It is an arithmetic number, because the mean of its divisors is an integer number (252450).

22005242 is an apocalyptic number.

2005242 is an abundant number, since it is smaller than the sum of its proper divisors (2033958).

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

2005242 is a wasteful number, since it uses less digits than its factorization.

2005242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397.

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 2005242 is about 1416.0656764430. The cubic root of 2005242 is about 126.1020840627.

The spelling of 2005242 in words is "two million, five thousand, two hundred forty-two".

Divisors: 1 2 3 6 149 298 447 894 2243 4486 6729 13458 334207 668414 1002621 2005242