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30122753 is a prime number
BaseRepresentation
bin111001011101…
…0001100000001
32002200101122112
41302322030001
530202412003
62553345105
7514016303
oct162721401
962611575
1030122753
1116004741
12a108195
136318b1b
144001973
1529a03d8
hex1cba301

30122753 has 2 divisors, whose sum is σ = 30122754. Its totient is φ = 30122752.

The previous prime is 30122737. The next prime is 30122767. The reversal of 30122753 is 35722103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29899024 + 223729 = 5468^2 + 473^2 .

It is a cyclic number.

It is not a de Polignac number, because 30122753 - 24 = 30122737 is a prime.

It is not a weakly prime, because it can be changed into another prime (30122783) 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, 15061376 + 15061377.

It is an arithmetic number, because the mean of its divisors is an integer number (15061377).

Almost surely, 230122753 is an apocalyptic number.

It is an amenable number.

30122753 is a deficient number, since it is larger than the sum of its proper divisors (1).

30122753 is an equidigital number, since it uses as much as digits as its factorization.

30122753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 30122753 is about 5488.4199001170. The cubic root of 30122753 is about 311.1464762188.

Adding to 30122753 its reverse (35722103), we get a palindrome (65844856).

The spelling of 30122753 in words is "thirty million, one hundred twenty-two thousand, seven hundred fifty-three".