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2042066 = 21378541
BaseRepresentation
bin111110010100011010010
310211202012002
413302203102
51010321231
6111434002
723233355
oct7624322
93752162
102042066
111175264
12825902
13566630
143b229c
152a50cb
hex1f28d2

2042066 has 8 divisors (see below), whose sum is σ = 3298764. Its totient is φ = 942480.

The previous prime is 2042059. The next prime is 2042077. The reversal of 2042066 is 6602402.

It can be written as a sum of positive squares in 2 ways, for example, as 2042041 + 25 = 1429^2 + 5^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 39245 + ... + 39296.

22042066 is an apocalyptic number.

2042066 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2042066 is a deficient number, since it is larger than the sum of its proper divisors (1256698).

2042066 is a wasteful number, since it uses less digits than its factorization.

2042066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78556.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2042066 is about 1429.0087473490. The cubic root of 2042066 is about 126.8693139727.

Adding to 2042066 its reverse (6602402), we get a palindrome (8644468).

The spelling of 2042066 in words is "two million, forty-two thousand, sixty-six", and thus it is an eban number.

Divisors: 1 2 13 26 78541 157082 1021033 2042066