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30226247 is a prime number
BaseRepresentation
bin111001101001…
…1011101000111
32002212122121122
41303103131013
530214214442
62555504155
7514630112
oct163233507
962778548
1030226247
1116075477
12a15805b
136353c6c
14402b579
1529c0dd2
hex1cd3747

30226247 has 2 divisors, whose sum is σ = 30226248. Its totient is φ = 30226246.

The previous prime is 30226243. The next prime is 30226279. The reversal of 30226247 is 74262203.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30226247 - 22 = 30226243 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 (30226243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15113123 + 15113124.

It is an arithmetic number, because the mean of its divisors is an integer number (15113124).

Almost surely, 230226247 is an apocalyptic number.

30226247 is a deficient number, since it is larger than the sum of its proper divisors (1).

30226247 is an equidigital number, since it uses as much as digits as its factorization.

30226247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 30226247 is about 5497.8402123016. The cubic root of 30226247 is about 311.5024085449.

The spelling of 30226247 in words is "thirty million, two hundred twenty-six thousand, two hundred forty-seven".