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30144577 is a prime number
BaseRepresentation
bin111001011111…
…1100001000001
32002201111120211
41302333201001
530204111302
62554034121
7514140031
oct162774101
962644524
1030144577
111601a081
12a118941
136325a38
1440098c1
1529a6ad7
hex1cbf841

30144577 has 2 divisors, whose sum is σ = 30144578. Its totient is φ = 30144576.

The previous prime is 30144563. The next prime is 30144581. The reversal of 30144577 is 77544103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27468081 + 2676496 = 5241^2 + 1636^2 .

It is a cyclic number.

It is not a de Polignac number, because 30144577 - 27 = 30144449 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30144557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15072288 + 15072289.

It is an arithmetic number, because the mean of its divisors is an integer number (15072289).

Almost surely, 230144577 is an apocalyptic number.

It is an amenable number.

30144577 is a deficient number, since it is larger than the sum of its proper divisors (1).

30144577 is an equidigital number, since it uses as much as digits as its factorization.

30144577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 30144577 is about 5490.4077262076. The cubic root of 30144577 is about 311.2216001786.

The spelling of 30144577 in words is "thirty million, one hundred forty-four thousand, five hundred seventy-seven".