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1530352469 is a prime number
BaseRepresentation
bin101101100110111…
…0101001101010101
310221122121221221002
41123031311031111
511113232234334
6411504433045
752631532002
oct13315651525
93848557832
101530352469
11715931508
12368618785
131b508b809
141073648a9
158e542b7e
hex5b375355

1530352469 has 2 divisors, whose sum is σ = 1530352470. Its totient is φ = 1530352468.

The previous prime is 1530352463. The next prime is 1530352493. The reversal of 1530352469 is 9642530351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 788879569 + 741472900 = 28087^2 + 27230^2 .

It is a cyclic number.

It is not a de Polignac number, because 1530352469 - 224 = 1513575253 is a prime.

It is a super-2 number, since 2×15303524692 = 4683957358748791922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1530352463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765176234 + 765176235.

It is an arithmetic number, because the mean of its divisors is an integer number (765176235).

Almost surely, 21530352469 is an apocalyptic number.

It is an amenable number.

1530352469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1530352469 is an equidigital number, since it uses as much as digits as its factorization.

1530352469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 1530352469 is about 39119.7196948035. The cubic root of 1530352469 is about 1152.3838312052.

The spelling of 1530352469 in words is "one billion, five hundred thirty million, three hundred fifty-two thousand, four hundred sixty-nine".