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30292243 is a prime number
BaseRepresentation
bin111001110001…
…1100100010011
32010000000010221
41303203210103
530223322433
63001133511
7515323402
oct163434423
963000127
1030292243
1116110013
12a18a297
136378007
144047639
1529d572d
hex1ce3913

30292243 has 2 divisors, whose sum is σ = 30292244. Its totient is φ = 30292242.

The previous prime is 30292237. The next prime is 30292259. The reversal of 30292243 is 34229203.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30292243 - 221 = 28195091 is a prime.

It is not a weakly prime, because it can be changed into another prime (30292943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15146121 + 15146122.

It is an arithmetic number, because the mean of its divisors is an integer number (15146122).

Almost surely, 230292243 is an apocalyptic number.

30292243 is a deficient number, since it is larger than the sum of its proper divisors (1).

30292243 is an equidigital number, since it uses as much as digits as its factorization.

30292243 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 25.

The square root of 30292243 is about 5503.8389329631. The cubic root of 30292243 is about 311.7289552392.

The spelling of 30292243 in words is "thirty million, two hundred ninety-two thousand, two hundred forty-three".