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2040682885 = 5408136577
BaseRepresentation
bin111100110100010…
…0101100110000101
312021012220102122121
41321220211212011
513134403323020
6534254525541
7101366342533
oct17150454605
95235812577
102040682885
11957a0428a
1248b5068b1
13266a1c987
14155049153
15be24bbaa
hex79a25985

2040682885 has 4 divisors (see below), whose sum is σ = 2448819468. Its totient is φ = 1632546304.

The previous prime is 2040682883. The next prime is 2040682927. The reversal of 2040682885 is 5882860402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 614940804 + 1425742081 = 24798^2 + 37759^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040682885 - 21 = 2040682883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040682883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204068284 + ... + 204068293.

It is an arithmetic number, because the mean of its divisors is an integer number (612204867).

Almost surely, 22040682885 is an apocalyptic number.

It is an amenable number.

2040682885 is a deficient number, since it is larger than the sum of its proper divisors (408136583).

2040682885 is an equidigital number, since it uses as much as digits as its factorization.

2040682885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408136582.

The product of its (nonzero) digits is 245760, while the sum is 43.

The square root of 2040682885 is about 45173.9181940199. The cubic root of 2040682885 is about 1268.4066415050.

The spelling of 2040682885 in words is "two billion, forty million, six hundred eighty-two thousand, eight hundred eighty-five".

Divisors: 1 5 408136577 2040682885