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2528541 = 32280949
BaseRepresentation
bin1001101001010100011101
311202110111200
421221110131
51121403131
6130110113
730330561
oct11512435
94673450
102528541
111477804
12a1b339
136a6ba2
1449b6a1
1534e2e6
hex26951d

2528541 has 6 divisors (see below), whose sum is σ = 3652350. Its totient is φ = 1685688.

The previous prime is 2528531. The next prime is 2528557. The reversal of 2528541 is 1458252.

It is a happy number.

2528541 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., 2528100 + 441 = 1590^2 + 21^2 .

It is not a de Polignac number, because 2528541 - 211 = 2526493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2528531) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 140466 + ... + 140483.

It is an arithmetic number, because the mean of its divisors is an integer number (608725).

22528541 is an apocalyptic number.

It is an amenable number.

2528541 is a deficient number, since it is larger than the sum of its proper divisors (1123809).

2528541 is a wasteful number, since it uses less digits than its factorization.

2528541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280955 (or 280952 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 2528541 is about 1590.1386731980. The cubic root of 2528541 is about 136.2354090371.

The spelling of 2528541 in words is "two million, five hundred twenty-eight thousand, five hundred forty-one".

Divisors: 1 3 9 280949 842847 2528541