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30053057 is a prime number
BaseRepresentation
bin111001010100…
…1001011000001
32002112212001012
41302221023001
530143144212
62552050305
7513306146
oct162511301
962485035
1030053057
1115a67341
12a093995
1362c3198
143dc43cd
152989922
hex1ca92c1

30053057 has 2 divisors, whose sum is σ = 30053058. Its totient is φ = 30053056.

The previous prime is 30053047. The next prime is 30053063. The reversal of 30053057 is 75035003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21752896 + 8300161 = 4664^2 + 2881^2 .

It is a cyclic number.

It is not a de Polignac number, because 30053057 - 26 = 30052993 is a prime.

It is not a weakly prime, because it can be changed into another prime (30053017) 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 as a sum of consecutive naturals, namely, 15026528 + 15026529.

It is an arithmetic number, because the mean of its divisors is an integer number (15026529).

Almost surely, 230053057 is an apocalyptic number.

It is an amenable number.

30053057 is a deficient number, since it is larger than the sum of its proper divisors (1).

30053057 is an equidigital number, since it uses as much as digits as its factorization.

30053057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1575, while the sum is 23.

The square root of 30053057 is about 5482.0668547547. The cubic root of 30053057 is about 310.9063209749.

The spelling of 30053057 in words is "thirty million, fifty-three thousand, fifty-seven".