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2650049 = 2991381
BaseRepresentation
bin1010000110111111000001
311222122011222
422012333001
51134300144
6132444425
731345043
oct12067701
94878158
102650049
111550026
12a79715
1371a29c
144cda93
153752ee
hex286fc1

2650049 has 4 divisors (see below), whose sum is σ = 2741460. Its totient is φ = 2558640.

The previous prime is 2650033. The next prime is 2650057. The reversal of 2650049 is 9400562.

2650049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1803649 + 846400 = 1343^2 + 920^2 .

It is a cyclic number.

It is not a de Polignac number, because 2650049 - 24 = 2650033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2650009) 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, 45662 + ... + 45719.

It is an arithmetic number, because the mean of its divisors is an integer number (685365).

22650049 is an apocalyptic number.

2650049 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2650049 is a deficient number, since it is larger than the sum of its proper divisors (91411).

2650049 is an equidigital number, since it uses as much as digits as its factorization.

2650049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91410.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 2650049 is about 1627.8971097708. The cubic root of 2650049 is about 138.3836032843.

The spelling of 2650049 in words is "two million, six hundred fifty thousand, forty-nine".

Divisors: 1 29 91381 2650049