Search a number
-
+
3418081 = 19179899
BaseRepresentation
bin1101000010011111100001
320102122201121
431002133201
51333334311
6201132241
741024152
oct15023741
96378647
103418081
111a25067
12118a081
13928a44
1464d929
15477b71
hex3427e1

3418081 has 4 divisors (see below), whose sum is σ = 3598000. Its totient is φ = 3238164.

The previous prime is 3418073. The next prime is 3418087. The reversal of 3418081 is 1808143.

3418081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 1808143 = 3834721.

It is a cyclic number.

It is not a de Polignac number, because 3418081 - 23 = 3418073 is a prime.

It is a super-2 number, since 2×34180812 = 23366555445122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3418087) 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 3 ways as a sum of consecutive naturals, for example, 89931 + ... + 89968.

It is an arithmetic number, because the mean of its divisors is an integer number (899500).

Almost surely, 23418081 is an apocalyptic number.

It is an amenable number.

3418081 is a deficient number, since it is larger than the sum of its proper divisors (179919).

3418081 is a wasteful number, since it uses less digits than its factorization.

3418081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179918.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 3418081 is about 1848.8052899102. The cubic root of 3418081 is about 150.6355404893.

The spelling of 3418081 in words is "three million, four hundred eighteen thousand, eighty-one".

Divisors: 1 19 179899 3418081