Search a number
-
+
1402828 = 22750101
BaseRepresentation
bin101010110011111001100
32122021022121
411112133030
5324342303
650022324
714631610
oct5263714
92567277
101402828
11878a69
125779a4
133a169b
14287340
151ca9bd
hex1567cc

1402828 has 12 divisors (see below), whose sum is σ = 2805712. Its totient is φ = 601200.

The previous prime is 1402811. The next prime is 1402829. The reversal of 1402828 is 8282041.

1402828 is an admirable number.

1402828 is a modest number, since divided by 2828 gives 140 as remainder.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1402829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25023 + ... + 25078.

21402828 is an apocalyptic number.

It is an amenable number.

1402828 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1402828 is a wasteful number, since it uses less digits than its factorization.

1402828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50112 (or 50110 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 1402828 is about 1184.4104018456. The cubic root of 1402828 is about 111.9441686015.

Adding to 1402828 its reverse (8282041), we get a palindrome (9684869).

The spelling of 1402828 in words is "one million, four hundred two thousand, eight hundred twenty-eight".

Divisors: 1 2 4 7 14 28 50101 100202 200404 350707 701414 1402828