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30074609 is a prime number
BaseRepresentation
bin111001010111…
…0011011110001
32002120221121102
41302232123301
530144341414
62552334145
7513426035
oct162563361
962527542
1030074609
1115a81554
12a0a4355
1362ccc36
143dcc1c5
152990ede
hex1cae6f1

30074609 has 2 divisors, whose sum is σ = 30074610. Its totient is φ = 30074608.

The previous prime is 30074591. The next prime is 30074623. The reversal of 30074609 is 90647003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28058209 + 2016400 = 5297^2 + 1420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30074609 is a prime.

It is equal to p1862219 and since 30074609 and 1862219 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (30074659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15037304 + 15037305.

It is an arithmetic number, because the mean of its divisors is an integer number (15037305).

Almost surely, 230074609 is an apocalyptic number.

It is an amenable number.

30074609 is a deficient number, since it is larger than the sum of its proper divisors (1).

30074609 is an equidigital number, since it uses as much as digits as its factorization.

30074609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 30074609 is about 5484.0321844424. The cubic root of 30074609 is about 310.9806234762.

The spelling of 30074609 in words is "thirty million, seventy-four thousand, six hundred nine".