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3842081 = 23167047
BaseRepresentation
bin1110101010000000100001
321020012100022
432222000201
51440421311
6214203225
744441255
oct16520041
97205308
103842081
112194681
121353515
13a46a29
14720265
1550d5db
hex3aa021

3842081 has 4 divisors (see below), whose sum is σ = 4009152. Its totient is φ = 3675012.

The previous prime is 3842077. The next prime is 3842089. The reversal of 3842081 is 1802483.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1802483 = 4143963.

It is a cyclic number.

It is not a de Polignac number, because 3842081 - 22 = 3842077 is a prime.

It is a super-2 number, since 2×38420812 = 29523172821122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3842081.

It is not an unprimeable number, because it can be changed into a prime (3842089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83501 + ... + 83546.

It is an arithmetic number, because the mean of its divisors is an integer number (1002288).

Almost surely, 23842081 is an apocalyptic number.

It is an amenable number.

3842081 is a deficient number, since it is larger than the sum of its proper divisors (167071).

3842081 is a wasteful number, since it uses less digits than its factorization.

3842081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167070.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 3842081 is about 1960.1227002410. The cubic root of 3842081 is about 156.6229881757.

The spelling of 3842081 in words is "three million, eight hundred forty-two thousand, eighty-one".

Divisors: 1 23 167047 3842081