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2040404933 = 7241640917
BaseRepresentation
bin111100110011110…
…0001101111000101
312021012101022101002
41321213201233011
513134320424213
6534244543045
7101364104300
oct17147415705
95235338332
102040404933
11957834476
1248b3b1a85
132669532c8
14154db5b37
15be1e4658
hex799e1bc5

2040404933 has 6 divisors (see below), whose sum is σ = 2373532326. Its totient is φ = 1748918472.

The previous prime is 2040404879. The next prime is 2040404941. The reversal of 2040404933 is 3394040402.

It can be written as a sum of positive squares in only one way, i.e., 1500632644 + 539772289 = 38738^2 + 23233^2 .

It is a de Polignac number, because none of the positive numbers 2k-2040404933 is a prime.

It is a super-2 number, since 2×20404049332 = 8326504581221468978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2040404896 and 2040404905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040404633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20820410 + ... + 20820507.

It is an arithmetic number, because the mean of its divisors is an integer number (395588721).

Almost surely, 22040404933 is an apocalyptic number.

It is an amenable number.

2040404933 is a deficient number, since it is larger than the sum of its proper divisors (333127393).

2040404933 is an equidigital number, since it uses as much as digits as its factorization.

2040404933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41640931 (or 41640924 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 2040404933 is about 45170.8416237732. The cubic root of 2040404933 is about 1268.3490509515.

The spelling of 2040404933 in words is "two billion, forty million, four hundred four thousand, nine hundred thirty-three".

Divisors: 1 7 49 41640917 291486419 2040404933