Search a number
-
+
3818394 = 233312281
BaseRepresentation
bin1110100100001110011010
321011222212000
432210032122
51434142034
6213501430
744312226
oct16441632
97158760
103818394
1121788a8
121341876
13a39008
14715786
15506599
hex3a439a

3818394 has 32 divisors (see below), whose sum is σ = 8762880. Its totient is φ = 1231200.

The previous prime is 3818393. The next prime is 3818407. The reversal of 3818394 is 4938183.

3818394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3818393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534 + ... + 2814.

It is an arithmetic number, because the mean of its divisors is an integer number (273840).

Almost surely, 23818394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3818394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4381440).

3818394 is an abundant number, since it is smaller than the sum of its proper divisors (4944486).

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

3818394 is a wasteful number, since it uses less digits than its factorization.

3818394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323 (or 2317 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 3818394 is about 1954.0711348362. The cubic root of 3818394 is about 156.3004564515.

The spelling of 3818394 in words is "three million, eight hundred eighteen thousand, three hundred ninety-four".

Divisors: 1 2 3 6 9 18 27 31 54 62 93 186 279 558 837 1674 2281 4562 6843 13686 20529 41058 61587 70711 123174 141422 212133 424266 636399 1272798 1909197 3818394