Search a number
-
+
3782428 = 221372739
BaseRepresentation
bin1110011011011100011100
321010011111221
432123130130
51432014203
6213023124
744102326
oct16333434
97104457
103782428
112153881
121324aa4
13a25830
14706616
154eaabd
hex39b71c

3782428 has 12 divisors (see below), whose sum is σ = 7128520. Its totient is φ = 1745712.

The previous prime is 3782417. The next prime is 3782437. The reversal of 3782428 is 8242873.

3782428 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (34) 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 = 3782393 and 3782402.

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 3 ways as a sum of consecutive naturals, for example, 36318 + ... + 36421.

Almost surely, 23782428 is an apocalyptic number.

It is an amenable number.

3782428 is a deficient number, since it is larger than the sum of its proper divisors (3346092).

3782428 is a wasteful number, since it uses less digits than its factorization.

3782428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72756 (or 72754 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 3782428 is about 1944.8465235077. The cubic root of 3782428 is about 155.8081687626.

The spelling of 3782428 in words is "three million, seven hundred eighty-two thousand, four hundred twenty-eight".

Divisors: 1 2 4 13 26 52 72739 145478 290956 945607 1891214 3782428