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1030513 = 1193683
BaseRepresentation
bin11111011100101110001
31221100121011
43323211301
5230434023
634030521
711521261
oct3734561
91840534
101030513
11644270
12418441
132a1093
141cb7a1
1515550d
hexfb971

1030513 has 4 divisors (see below), whose sum is σ = 1124208. Its totient is φ = 936820.

The previous prime is 1030511. The next prime is 1030529. The reversal of 1030513 is 3150301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1030513 - 21 = 1030511 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1030493 and 1030502.

It is not an unprimeable number, because it can be changed into a prime (1030511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46831 + ... + 46852.

It is an arithmetic number, because the mean of its divisors is an integer number (281052).

21030513 is an apocalyptic number.

It is an amenable number.

1030513 is a deficient number, since it is larger than the sum of its proper divisors (93695).

1030513 is an equidigital number, since it uses as much as digits as its factorization.

1030513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93694.

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 1030513 is about 1015.1418620075. The cubic root of 1030513 is about 101.0069269503.

Adding to 1030513 its reverse (3150301), we get a palindrome (4180814).

The spelling of 1030513 in words is "one million, thirty thousand, five hundred thirteen".

Divisors: 1 11 93683 1030513