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2040036 = 223170003
BaseRepresentation
bin111110010000011100100
310211122101220
413302003210
51010240121
6111420340
723224425
oct7620344
93748356
102040036
111173789
128246b0
1356572b
143b164c
152a46c6
hex1f20e4

2040036 has 12 divisors (see below), whose sum is σ = 4760112. Its totient is φ = 680008.

The previous prime is 2040029. The next prime is 2040041. The reversal of 2040036 is 6300402.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2039997 and 2040024.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84990 + ... + 85013.

It is an arithmetic number, because the mean of its divisors is an integer number (396676).

22040036 is an apocalyptic number.

It is an amenable number.

2040036 is an abundant number, since it is smaller than the sum of its proper divisors (2720076).

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

2040036 is a wasteful number, since it uses less digits than its factorization.

2040036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170010 (or 170008 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2040036 is about 1428.2982881737. The cubic root of 2040036 is about 126.8272601416.

Adding to 2040036 its reverse (6300402), we get a palindrome (8340438).

The spelling of 2040036 in words is "two million, forty thousand, thirty-six", and thus it is an eban number.

Divisors: 1 2 3 4 6 12 170003 340006 510009 680012 1020018 2040036