Search a number
-
+
3819149 = 61137457
BaseRepresentation
bin1110100100011010001101
321012000212222
432210122031
51434203044
6213505125
744314355
oct16443215
97160788
103819149
112179424
1213421a5
13a39469
14715b65
155068ee
hex3a468d

3819149 has 8 divisors (see below), whose sum is σ = 3918648. Its totient is φ = 3720960.

The previous prime is 3819143. The next prime is 3819187. The reversal of 3819149 is 9419183.

3819149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 422500 + 3396649 = 650^2 + 1843^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3819149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3819143) 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 7 ways as a sum of consecutive naturals, for example, 8129 + ... + 8585.

It is an arithmetic number, because the mean of its divisors is an integer number (489831).

Almost surely, 23819149 is an apocalyptic number.

It is an amenable number.

3819149 is a deficient number, since it is larger than the sum of its proper divisors (99499).

3819149 is a wasteful number, since it uses less digits than its factorization.

3819149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655.

The product of its digits is 7776, while the sum is 35.

The square root of 3819149 is about 1954.2643117040. The cubic root of 3819149 is about 156.3107573849.

The spelling of 3819149 in words is "three million, eight hundred nineteen thousand, one hundred forty-nine".

Divisors: 1 61 137 457 8357 27877 62609 3819149