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30293933 is a prime number
BaseRepresentation
bin111001110001…
…1111110101101
32010000002110112
41303203332231
530223401213
63001145405
7515331335
oct163437655
963002415
1030293933
111611130a
12a18b265
136378a07
1440480c5
1529d5ea8
hex1ce3fad

30293933 has 2 divisors, whose sum is σ = 30293934. Its totient is φ = 30293932.

The previous prime is 30293927. The next prime is 30293953. The reversal of 30293933 is 33939203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25532809 + 4761124 = 5053^2 + 2182^2 .

It is a cyclic number.

It is not a de Polignac number, because 30293933 - 24 = 30293917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30293933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30293953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15146966 + 15146967.

It is an arithmetic number, because the mean of its divisors is an integer number (15146967).

Almost surely, 230293933 is an apocalyptic number.

It is an amenable number.

30293933 is a deficient number, since it is larger than the sum of its proper divisors (1).

30293933 is an equidigital number, since it uses as much as digits as its factorization.

30293933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13122, while the sum is 32.

The square root of 30293933 is about 5503.9924600239. The cubic root of 30293933 is about 311.7347522364.

The spelling of 30293933 in words is "thirty million, two hundred ninety-three thousand, nine hundred thirty-three".