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1032421 = 13241149
BaseRepresentation
bin11111100000011100101
31221110012211
43330003211
5231014141
634043421
711526655
oct3740345
91843184
101032421
11645745
12419571
132a1c00
141cc365
15155d81
hexfc0e5

1032421 has 12 divisors (see below), whose sum is σ = 1152900. Its totient is φ = 923520.

The previous prime is 1032419. The next prime is 1032433. The reversal of 1032421 is 1242301.

It can be written as a sum of positive squares in 6 ways, for example, as 624100 + 408321 = 790^2 + 639^2 .

It is not a de Polignac number, because 1032421 - 21 = 1032419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032491) 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 11 ways as a sum of consecutive naturals, for example, 6855 + ... + 7003.

It is an arithmetic number, because the mean of its divisors is an integer number (96075).

21032421 is an apocalyptic number.

It is an amenable number.

1032421 is a deficient number, since it is larger than the sum of its proper divisors (120479).

1032421 is a wasteful number, since it uses less digits than its factorization.

1032421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1032421 is about 1016.0811975428. The cubic root of 1032421 is about 101.0692267943.

Adding to 1032421 its reverse (1242301), we get a palindrome (2274722).

The spelling of 1032421 in words is "one million, thirty-two thousand, four hundred twenty-one".

Divisors: 1 13 41 149 169 533 1937 6109 6929 25181 79417 1032421