Search a number
-
+
3818045 = 571147211
BaseRepresentation
bin1110100100001000111101
321011222101002
432210020331
51434134140
6213500045
744311220
oct16441075
97158332
103818045
112178610
121341625
13a38aca
147155b7
15506415
hex3a423d

3818045 has 32 divisors (see below), whose sum is σ = 5861376. Its totient is φ = 2318400.

The previous prime is 3818039. The next prime is 3818063. The reversal of 3818045 is 5408183.

3818045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3818045 - 24 = 3818029 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3817999 and 3818017.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 17990 + ... + 18200.

It is an arithmetic number, because the mean of its divisors is an integer number (183168).

Almost surely, 23818045 is an apocalyptic number.

3818045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3818045 is a deficient number, since it is larger than the sum of its proper divisors (2043331).

3818045 is a wasteful number, since it uses less digits than its factorization.

3818045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 3818045 is about 1953.9818320547. The cubic root of 3818045 is about 156.2956943690.

The spelling of 3818045 in words is "three million, eight hundred eighteen thousand, forty-five".

Divisors: 1 5 7 11 35 47 55 77 211 235 329 385 517 1055 1477 1645 2321 2585 3619 7385 9917 11605 16247 18095 49585 69419 81235 109087 347095 545435 763609 3818045