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2890841808 = 24360225871
BaseRepresentation
bin1010110001001110…
…1011111011010000
321110110121222110010
42230103223323100
521410023414213
61154504434520
7131431515141
oct25423537320
97413558403
102890841808
111253894268
12688178a40
13370bb53aa
141d5d0dac8
1511dbd0ac3
hexac4ebed0

2890841808 has 20 divisors (see below), whose sum is σ = 7468008128. Its totient is φ = 963613920.

The previous prime is 2890841803. The next prime is 2890841809. The reversal of 2890841808 is 8081480982.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 60225871 = 2890841808 / (2 + 8 + 9 + 0 + 8 + 4 + 1 + 8 + 0 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2890841803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30112888 + ... + 30112983.

Almost surely, 22890841808 is an apocalyptic number.

It is an amenable number.

2890841808 is an abundant number, since it is smaller than the sum of its proper divisors (4577166320).

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

2890841808 is a wasteful number, since it uses less digits than its factorization.

2890841808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60225882 (or 60225876 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 48.

The square root of 2890841808 is about 53766.5491546556. The cubic root of 2890841808 is about 1424.5404173835.

The spelling of 2890841808 in words is "two billion, eight hundred ninety million, eight hundred forty-one thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 60225871 120451742 180677613 240903484 361355226 481806968 722710452 963613936 1445420904 2890841808