[go: up one dir, main page]

Search a number
-
+
3842105 = 53072503
BaseRepresentation
bin1110101010000000111001
321020012101012
432222000321
51440421410
6214203305
744441321
oct16520071
97205335
103842105
1121946a3
121353535
13a46a47
14720281
1550d605
hex3aa039

3842105 has 8 divisors (see below), whose sum is σ = 4627392. Its totient is φ = 3062448.

The previous prime is 3842101. The next prime is 3842143. The reversal of 3842105 is 5012483.

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

It is a cyclic number.

It is not a de Polignac number, because 3842105 - 22 = 3842101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3842101) 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, 284 + ... + 2786.

It is an arithmetic number, because the mean of its divisors is an integer number (578424).

Almost surely, 23842105 is an apocalyptic number.

It is an amenable number.

3842105 is a deficient number, since it is larger than the sum of its proper divisors (785287).

3842105 is a wasteful number, since it uses less digits than its factorization.

3842105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 3842105 is about 1960.1288222971. The cubic root of 3842105 is about 156.6233142962.

Adding to 3842105 its reverse (5012483), we get a palindrome (8854588).

The spelling of 3842105 in words is "three million, eight hundred forty-two thousand, one hundred five".

Divisors: 1 5 307 1535 2503 12515 768421 3842105