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2575280 = 24532191
BaseRepresentation
bin1001110100101110110000
311211211121202
421310232300
51124402110
6131110332
730614051
oct11645660
94754552
102575280
1114a9934
12a423a8
136c2246
144b0728
1535d0a5
hex274bb0

2575280 has 20 divisors (see below), whose sum is σ = 5987712. Its totient is φ = 1030080.

The previous prime is 2575277. The next prime is 2575283. The reversal of 2575280 is 825752.

2575280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2575277) and next prime (2575283).

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2575283) 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 3 ways as a sum of consecutive naturals, for example, 16016 + ... + 16175.

22575280 is an apocalyptic number.

2575280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2575280 is an abundant number, since it is smaller than the sum of its proper divisors (3412432).

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

2575280 is a wasteful number, since it uses less digits than its factorization.

2575280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32204 (or 32198 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 2575280 is about 1604.7678959899. The cubic root of 2575280 is about 137.0697071869.

The spelling of 2575280 in words is "two million, five hundred seventy-five thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 32191 64382 128764 160955 257528 321910 515056 643820 1287640 2575280