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2042018 = 211101919
BaseRepresentation
bin111110010100010100010
310211202010022
413302202202
51010321033
6111433442
723233256
oct7624242
93752108
102042018
111175220
12825882
135665c4
143b2266
152a5098
hex1f28a2

2042018 has 16 divisors (see below), whose sum is σ = 3378240. Its totient is φ = 918000.

The previous prime is 2042017. The next prime is 2042021. The reversal of 2042018 is 8102402.

2042018 = 4072 + 4082 + ... + 4182.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2041987 and 2042005.

It is not an unprimeable number, because it can be changed into a prime (2042017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1763 + ... + 2681.

It is an arithmetic number, because the mean of its divisors is an integer number (211140).

22042018 is an apocalyptic number.

2042018 is a deficient number, since it is larger than the sum of its proper divisors (1336222).

2042018 is a wasteful number, since it uses less digits than its factorization.

2042018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2042018 is about 1428.9919523916. The cubic root of 2042018 is about 126.8683199181.

It can be divided in two parts, 204 and 2018, that added together give a palindrome (2222).

The spelling of 2042018 in words is "two million, forty-two thousand, eighteen".

Divisors: 1 2 11 22 101 202 919 1111 1838 2222 10109 20218 92819 185638 1021009 2042018