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1000053 = 3337039
BaseRepresentation
bin11110100001001110101
31212210211000
43310021311
5224000203
633233513
711333415
oct3641165
91783730
101000053
1162339a
12402899
13290262
141c0645
1514b4a3
hexf4275

1000053 has 8 divisors (see below), whose sum is σ = 1481600. Its totient is φ = 666684.

The previous prime is 1000039. The next prime is 1000081. The reversal of 1000053 is 3500001.

It is not a de Polignac number, because 1000053 - 24 = 1000037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 999999 and 1000044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000003) 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, 18493 + ... + 18546.

It is an arithmetic number, because the mean of its divisors is an integer number (185200).

21000053 is an apocalyptic number.

It is an amenable number.

1000053 is a deficient number, since it is larger than the sum of its proper divisors (481547).

1000053 is an equidigital number, since it uses as much as digits as its factorization.

1000053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37048 (or 37042 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 9.

The square root of 1000053 is about 1000.0264996489. The cubic root of 1000053 is about 100.0017666355.

Adding to 1000053 its reverse (3500001), we get a palindrome (4500054).

The spelling of 1000053 in words is "one million, fifty-three", and thus it is an aban number and an uban number.

Divisors: 1 3 9 27 37039 111117 333351 1000053