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2549125 = 5320393
BaseRepresentation
bin1001101110010110000101
311210111202001
421232112011
51123033000
6130345301
730444565
oct11562605
94714661
102549125
111491217
12a2b231
136b3377
144a4da5
1535546a
hex26e585

2549125 has 8 divisors (see below), whose sum is σ = 3181464. Its totient is φ = 2039200.

The previous prime is 2549123. The next prime is 2549143. The reversal of 2549125 is 5219452.

2549125 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 4 ways, for example, as 93636 + 2455489 = 306^2 + 1567^2 .

It is not a de Polignac number, because 2549125 - 21 = 2549123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2549093 and 2549102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2549123) 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 7 ways as a sum of consecutive naturals, for example, 10072 + ... + 10321.

It is an arithmetic number, because the mean of its divisors is an integer number (397683).

22549125 is an apocalyptic number.

2549125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2549125 is a deficient number, since it is larger than the sum of its proper divisors (632339).

2549125 is an equidigital number, since it uses as much as digits as its factorization.

2549125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20408 (or 20398 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 2549125 is about 1596.5979456332. The cubic root of 2549125 is about 136.6040925784.

The spelling of 2549125 in words is "two million, five hundred forty-nine thousand, one hundred twenty-five".

Divisors: 1 5 25 125 20393 101965 509825 2549125