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4057428 = 223338119
BaseRepresentation
bin1111011110100101010100
321122010202010
433132211110
52014314203
6222544220
746326144
oct17364524
97563663
104057428
112321451
121438070
13ac0a5b
14778924
15552303
hex3de954

4057428 has 12 divisors (see below), whose sum is σ = 9467360. Its totient is φ = 1352472.

The previous prime is 4057423. The next prime is 4057451. The reversal of 4057428 is 8247504.

4057428 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) 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 = 4057395 and 4057404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4057423) by changing a digit.

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, 169048 + ... + 169071.

Almost surely, 24057428 is an apocalyptic number.

It is an amenable number.

4057428 is an abundant number, since it is smaller than the sum of its proper divisors (5409932).

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

4057428 is a wasteful number, since it uses less digits than its factorization.

4057428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338126 (or 338124 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 4057428 is about 2014.3058357658. The cubic root of 4057428 is about 159.4961755879.

The spelling of 4057428 in words is "four million, fifty-seven thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 338119 676238 1014357 1352476 2028714 4057428