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530401097 = 2918289693
BaseRepresentation
bin11111100111010…
…100011101001001
31100222001011112002
4133213110131021
52041240313342
6124344200345
716100222612
oct3747243511
91328034462
10530401097
11252441216
121297690b5
1385b6a805
145062ac09
1531870d32
hex1f9d4749

530401097 has 4 divisors (see below), whose sum is σ = 548690820. Its totient is φ = 512111376.

The previous prime is 530401073. The next prime is 530401121. The reversal of 530401097 is 790104035.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (530401073) and next prime (530401121).

It can be written as a sum of positive squares in 2 ways, for example, as 249134656 + 281266441 = 15784^2 + 16771^2 .

It is a cyclic number.

It is not a de Polignac number, because 530401097 - 212 = 530397001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 18289693 = 530401097 / (5 + 3 + 0 + 4 + 0 + 1 + 0 + 9 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530101097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9144818 + ... + 9144875.

It is an arithmetic number, because the mean of its divisors is an integer number (137172705).

Almost surely, 2530401097 is an apocalyptic number.

It is an amenable number.

530401097 is a deficient number, since it is larger than the sum of its proper divisors (18289723).

530401097 is a wasteful number, since it uses less digits than its factorization.

530401097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18289722.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 530401097 is about 23030.4384890953. The cubic root of 530401097 is about 809.4713295642.

The spelling of 530401097 in words is "five hundred thirty million, four hundred one thousand, ninety-seven".

Divisors: 1 29 18289693 530401097