Search a number
-
+
3889044 = 2232591831
BaseRepresentation
bin1110110101011110010100
321022120202200
432311132110
51443422134
6215204500
745025215
oct16653624
97276680
103889044
112216995
121376730
13a62213
1473340c
1551c499
hex3b5794

3889044 has 36 divisors (see below), whose sum is σ = 10002720. Its totient is φ = 1273680.

The previous prime is 3889037. The next prime is 3889063. The reversal of 3889044 is 4409883.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1209 + ... + 3039.

Almost surely, 23889044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3889044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5001360).

3889044 is an abundant number, since it is smaller than the sum of its proper divisors (6113676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3889044 is a wasteful number, since it uses less digits than its factorization.

3889044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900 (or 1895 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 3889044 is about 1972.0659218190. The cubic root of 3889044 is about 157.2585567449.

The spelling of 3889044 in words is "three million, eight hundred eighty-nine thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 59 118 177 236 354 531 708 1062 1831 2124 3662 5493 7324 10986 16479 21972 32958 65916 108029 216058 324087 432116 648174 972261 1296348 1944522 3889044