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30062189 is a prime number
BaseRepresentation
bin111001010101…
…1011001101101
32002120022120102
41302223121231
530143442224
62552200445
7513344603
oct162533155
962508512
1030062189
1115a73193
12a099125
1362c73a1
143dc7873
15298c4ae
hex1cab66d

30062189 has 2 divisors, whose sum is σ = 30062190. Its totient is φ = 30062188.

The previous prime is 30062159. The next prime is 30062213. The reversal of 30062189 is 98126003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28536964 + 1525225 = 5342^2 + 1235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30062189 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30062119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15031094 + 15031095.

It is an arithmetic number, because the mean of its divisors is an integer number (15031095).

Almost surely, 230062189 is an apocalyptic number.

It is an amenable number.

30062189 is a deficient number, since it is larger than the sum of its proper divisors (1).

30062189 is an equidigital number, since it uses as much as digits as its factorization.

30062189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 30062189 is about 5482.8996890332. The cubic root of 30062189 is about 310.9378087200.

The spelling of 30062189 in words is "thirty million, sixty-two thousand, one hundred eighty-nine".