Search a number
-
+
3842605 = 513311907
BaseRepresentation
bin1110101010001000101101
321020020001201
432222020231
51440430410
6214205501
744442634
oct16521055
97206051
103842605
112195008
121353891
13a47040
1472051b
1550d83a
hex3aa22d

3842605 has 16 divisors (see below), whose sum is σ = 5128704. Its totient is φ = 2744640.

The previous prime is 3842603. The next prime is 3842627. The reversal of 3842605 is 5062483.

3842605 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 3842605 - 21 = 3842603 is a prime.

It is a super-2 number, since 2×38426052 = 29531226372050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3842603) 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, 1062 + ... + 2968.

It is an arithmetic number, because the mean of its divisors is an integer number (320544).

Almost surely, 23842605 is an apocalyptic number.

It is an amenable number.

3842605 is a deficient number, since it is larger than the sum of its proper divisors (1286099).

3842605 is a wasteful number, since it uses less digits than its factorization.

3842605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 3842605 is about 1960.2563607855. The cubic root of 3842605 is about 156.6301081640.

The spelling of 3842605 in words is "three million, eight hundred forty-two thousand, six hundred five".

Divisors: 1 5 13 31 65 155 403 1907 2015 9535 24791 59117 123955 295585 768521 3842605