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2582428 = 221095923
BaseRepresentation
bin1001110110011110011100
311212012102111
421312132130
51130114203
6131203404
730643642
oct11663634
94765374
102582428
111504242
12a46564
136c5584
144b3192
1536026d
hex27679c

2582428 has 12 divisors (see below), whose sum is σ = 4561480. Its totient is φ = 1279152.

The previous prime is 2582407. The next prime is 2582441. The reversal of 2582428 is 8242852.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2582428.

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, 2526 + ... + 3397.

22582428 is an apocalyptic number.

It is an amenable number.

2582428 is a deficient number, since it is larger than the sum of its proper divisors (1979052).

2582428 is a wasteful number, since it uses less digits than its factorization.

2582428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6036 (or 6034 counting only the distinct ones).

The product of its digits is 10240, while the sum is 31.

The square root of 2582428 is about 1606.9934660726. The cubic root of 2582428 is about 137.1964078652.

It can be divided in two parts, 25824 and 28, that added together give a palindrome (25852).

The spelling of 2582428 in words is "two million, five hundred eighty-two thousand, four hundred twenty-eight".

Divisors: 1 2 4 109 218 436 5923 11846 23692 645607 1291214 2582428