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30228047 is a prime number
BaseRepresentation
bin111001101001…
…1111001001111
32002212202002022
41303103321033
530214244142
62555520355
7514635263
oct163237117
962782068
1030228047
1116076863
12a1590bb
136354a25
14402c0a3
1529c16d2
hex1cd3e4f

30228047 has 2 divisors, whose sum is σ = 30228048. Its totient is φ = 30228046.

The previous prime is 30228041. The next prime is 30228053. The reversal of 30228047 is 74082203.

It is a balanced prime because it is at equal distance from previous prime (30228041) and next prime (30228053).

It is a cyclic number.

It is not a de Polignac number, because 30228047 - 212 = 30223951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30228041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15114023 + 15114024.

It is an arithmetic number, because the mean of its divisors is an integer number (15114024).

Almost surely, 230228047 is an apocalyptic number.

30228047 is a deficient number, since it is larger than the sum of its proper divisors (1).

30228047 is an equidigital number, since it uses as much as digits as its factorization.

30228047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 30228047 is about 5498.0039105115. The cubic root of 30228047 is about 311.5085918376.

The spelling of 30228047 in words is "thirty million, two hundred twenty-eight thousand, forty-seven".