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1000049 = 3532833
BaseRepresentation
bin11110100001001110001
31212210210212
43310021301
5224000144
633233505
711333411
oct3641161
91783725
101000049
11623396
12402895
1329025b
141c0641
1514b49e
hexf4271

1000049 has 4 divisors (see below), whose sum is σ = 1003236. Its totient is φ = 996864.

The previous prime is 1000039. The next prime is 1000081. The reversal of 1000049 is 9400001.

1000049 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 399424 + 600625 = 632^2 + 775^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000049 - 24 = 1000033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 999997 and 1000042.

It is not an unprimeable number, because it can be changed into a prime (1000039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064 + ... + 1769.

It is an arithmetic number, because the mean of its divisors is an integer number (250809).

21000049 is an apocalyptic number.

It is an amenable number.

1000049 is a deficient number, since it is larger than the sum of its proper divisors (3187).

1000049 is an equidigital number, since it uses as much as digits as its factorization.

1000049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3186.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1000049 is about 1000.0244996999. The cubic root of 1000049 is about 100.0016333067.

It can be divided in two parts, 10000 and 49, that multiplied together give a square (490000 = 7002).

The spelling of 1000049 in words is "one million, forty-nine", and thus it is an aban number and an uban number.

Divisors: 1 353 2833 1000049