Search a number
-
+
3889249 = 71379541
BaseRepresentation
bin1110110101100001100001
321022121001021
432311201201
51443423444
6215205441
745025630
oct16654141
97277037
103889249
112217061
121376881
13a62340
14733517
1551c584
hex3b5861

3889249 has 16 divisors (see below), whose sum is σ = 4856320. Its totient is φ = 3032640.

The previous prime is 3889241. The next prime is 3889253. The reversal of 3889249 is 9429883.

It is a happy number.

3889249 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 3889249 - 23 = 3889241 is a prime.

3889249 is a Rhonda number in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3889241) 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, 6919 + ... + 7459.

It is an arithmetic number, because the mean of its divisors is an integer number (303520).

Almost surely, 23889249 is an apocalyptic number.

It is an amenable number.

3889249 is a deficient number, since it is larger than the sum of its proper divisors (967071).

3889249 is a wasteful number, since it uses less digits than its factorization.

3889249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640.

The product of its digits is 124416, while the sum is 43.

The square root of 3889249 is about 1972.1178970842. The cubic root of 3889249 is about 157.2613198437.

The spelling of 3889249 in words is "three million, eight hundred eighty-nine thousand, two hundred forty-nine".

Divisors: 1 7 13 79 91 541 553 1027 3787 7033 7189 42739 49231 299173 555607 3889249