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2580128 = 2580629
BaseRepresentation
bin1001110101111010100000
311212002021022
421311322200
51130031003
6131145012
730634145
oct11657240
94762238
102580128
111502541
12a45168
136c4505
144b23cc
1535e738
hex275ea0

2580128 has 12 divisors (see below), whose sum is σ = 5079690. Its totient is φ = 1290048.

The previous prime is 2580119. The next prime is 2580131. The reversal of 2580128 is 8210852.

2580128 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 only one way, i.e., 2155024 + 425104 = 1468^2 + 652^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2580097 and 2580106.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 40283 + ... + 40346.

22580128 is an apocalyptic number.

It is an amenable number.

2580128 is a deficient number, since it is larger than the sum of its proper divisors (2499562).

2580128 is an equidigital number, since it uses as much as digits as its factorization.

2580128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80639 (or 80631 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 2580128 is about 1606.2776845863. The cubic root of 2580128 is about 137.1556651398.

The spelling of 2580128 in words is "two million, five hundred eighty thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 16 32 80629 161258 322516 645032 1290064 2580128