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30000109 is a prime number
BaseRepresentation
bin111001001110…
…0001111101101
32002110011102011
41302130033231
530140000414
62551001221
7512665606
oct162341755
962404364
1030000109
1115a30587
12a069211
1362a5059
143dacdad
152978dc4
hex1c9c3ed

30000109 has 2 divisors, whose sum is σ = 30000110. Its totient is φ = 30000108.

The previous prime is 30000083. The next prime is 30000133. The reversal of 30000109 is 90100003.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27510025 + 2490084 = 5245^2 + 1578^2 .

It is a cyclic number.

It is not a de Polignac number, because 30000109 - 29 = 29999597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30000149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15000054 + 15000055.

It is an arithmetic number, because the mean of its divisors is an integer number (15000055).

Almost surely, 230000109 is an apocalyptic number.

It is an amenable number.

30000109 is a deficient number, since it is larger than the sum of its proper divisors (1).

30000109 is an equidigital number, since it uses as much as digits as its factorization.

30000109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 30000109 is about 5477.2355253358. The cubic root of 30000109 is about 310.7236269153.

The spelling of 30000109 in words is "thirty million, one hundred nine", and thus it is an aban number.