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3783381 = 37180161
BaseRepresentation
bin1110011011101011010101
321010012211020
432123223111
51432032011
6213031353
744105160
oct16335325
97105736
103783381
112154568
121325559
13a260b4
14706ad7
154eb006
hex39bad5

3783381 has 8 divisors (see below), whose sum is σ = 5765184. Its totient is φ = 2161920.

The previous prime is 3783343. The next prime is 3783391. The reversal of 3783381 is 1833873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3783381 - 26 = 3783317 is a prime.

It is a super-2 number, since 2×37833812 = 28627943582322, which contains 22 as substring.

It is a d-powerful number, because it can be written as 34 + 7 + 85 + 310 + 313 + 87 + 1 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3783391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90060 + ... + 90101.

It is an arithmetic number, because the mean of its divisors is an integer number (720648).

Almost surely, 23783381 is an apocalyptic number.

It is an amenable number.

3783381 is a deficient number, since it is larger than the sum of its proper divisors (1981803).

3783381 is a wasteful number, since it uses less digits than its factorization.

3783381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180171.

The product of its digits is 12096, while the sum is 33.

The square root of 3783381 is about 1945.0915145566. The cubic root of 3783381 is about 155.8212531902.

The spelling of 3783381 in words is "three million, seven hundred eighty-three thousand, three hundred eighty-one".

Divisors: 1 3 7 21 180161 540483 1261127 3783381