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1530053 = 7218579
BaseRepresentation
bin101110101100011000101
32212201211122
411311203011
5342430203
652443325
716001540
oct5654305
92781748
101530053
11955608
12619545
13417575
142bb857
15203538
hex1758c5

1530053 has 4 divisors (see below), whose sum is σ = 1748640. Its totient is φ = 1311468.

The previous prime is 1530037. The next prime is 1530071. The reversal of 1530053 is 3500351.

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 1530053 - 24 = 1530037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530073) 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, 109283 + ... + 109296.

It is an arithmetic number, because the mean of its divisors is an integer number (437160).

21530053 is an apocalyptic number.

It is an amenable number.

1530053 is a deficient number, since it is larger than the sum of its proper divisors (218587).

1530053 is an equidigital number, since it uses as much as digits as its factorization.

1530053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218586.

The product of its (nonzero) digits is 225, while the sum is 17.

The square root of 1530053 is about 1236.9531114800. The cubic root of 1530053 is about 115.2308657729.

The spelling of 1530053 in words is "one million, five hundred thirty thousand, fifty-three".

Divisors: 1 7 218579 1530053