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3889444 = 221374797
BaseRepresentation
bin1110110101100100100100
321022121022111
432311210210
51443430234
6215210404
745026326
oct16654444
97277274
103889444
112217219
121376a04
13a62460
14733616
1551c664
hex3b5924

3889444 has 12 divisors (see below), whose sum is σ = 7330204. Its totient is φ = 1795104.

The previous prime is 3889441. The next prime is 3889453. The reversal of 3889444 is 4449883.

3889444 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 2 ways, for example, as 324900 + 3564544 = 570^2 + 1888^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3889397 and 3889406.

It is not an unprimeable number, because it can be changed into a prime (3889441) 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, 37347 + ... + 37450.

Almost surely, 23889444 is an apocalyptic number.

It is an amenable number.

3889444 is a deficient number, since it is larger than the sum of its proper divisors (3440760).

3889444 is a wasteful number, since it uses less digits than its factorization.

3889444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74814 (or 74812 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 3889444 is about 1972.1673356995. The cubic root of 3889444 is about 157.2639480670.

The spelling of 3889444 in words is "three million, eight hundred eighty-nine thousand, four hundred forty-four".

Divisors: 1 2 4 13 26 52 74797 149594 299188 972361 1944722 3889444