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1530349 is a prime number
BaseRepresentation
bin101110101100111101101
32212202020121
411311213231
5342432344
652444541
716002442
oct5654755
92782217
101530349
11955857
12619751
13417742
142bb9c9
15203684
hex1759ed

1530349 has 2 divisors, whose sum is σ = 1530350. Its totient is φ = 1530348.

The previous prime is 1530343. The next prime is 1530409. The reversal of 1530349 is 9430351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1397124 + 133225 = 1182^2 + 365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1530349 is a prime.

1530349 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1530343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765174 + 765175.

It is an arithmetic number, because the mean of its divisors is an integer number (765175).

21530349 is an apocalyptic number.

It is an amenable number.

1530349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1530349 is an equidigital number, since it uses as much as digits as its factorization.

1530349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 1530349 is about 1237.0727545298. The cubic root of 1530349 is about 115.2382960464.

The spelling of 1530349 in words is "one million, five hundred thirty thousand, three hundred forty-nine".