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3784669388 = 2213714834657
BaseRepresentation
bin1110000110010101…
…0111100011001100
3100202202112010101022
43201211113203030
530222333410023
61423314333312
7162534105353
oct34145274314
910682463338
103784669388
111672390145
1289758a238
1348412a456
1427c90099a
151723dd7c8
hexe19578cc

3784669388 has 24 divisors (see below), whose sum is σ = 6677447952. Its totient is φ = 1876852224.

The previous prime is 3784669367. The next prime is 3784669391. The reversal of 3784669388 is 8839664873.

3784669388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3784669388.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 810356 + ... + 815012.

It is an arithmetic number, because the mean of its divisors is an integer number (278226998).

Almost surely, 23784669388 is an apocalyptic number.

It is an amenable number.

3784669388 is a deficient number, since it is larger than the sum of its proper divisors (2892778564).

3784669388 is a wasteful number, since it uses less digits than its factorization.

With its successor (3784669389) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (6279).

With its successor (3784669389) it forms an eRAP, since the sums of their prime factors are consecutive (6281 and 6282).

3784669388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6281 (or 6279 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 62.

The square root of 3784669388 is about 61519.6666766003. Note that the first 4 decimals coincide. The cubic root of 3784669388 is about 1558.3893891001.

The spelling of 3784669388 in words is "three billion, seven hundred eighty-four million, six hundred sixty-nine thousand, three hundred eighty-eight".

Divisors: 1 2 4 137 274 548 1483 2966 4657 5932 9314 18628 203171 406342 638009 812684 1276018 2552036 6906331 13812662 27625324 946167347 1892334694 3784669388