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30268541 is a prime number
BaseRepresentation
bin111001101110…
…1110001111101
32002221210122002
41303131301331
530222043131
63000432045
7515164322
oct163356175
962853562
1030268541
11160a4226
12a178625
13636a2a4
14403cb49
1529cd6cb
hex1cddc7d

30268541 has 2 divisors, whose sum is σ = 30268542. Its totient is φ = 30268540.

The previous prime is 30268531. The next prime is 30268549. The reversal of 30268541 is 14586203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29539225 + 729316 = 5435^2 + 854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30268541 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 (30268549) 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, 15134270 + 15134271.

It is an arithmetic number, because the mean of its divisors is an integer number (15134271).

Almost surely, 230268541 is an apocalyptic number.

It is an amenable number.

30268541 is a deficient number, since it is larger than the sum of its proper divisors (1).

30268541 is an equidigital number, since it uses as much as digits as its factorization.

30268541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 30268541 is about 5501.6852872552. The cubic root of 30268541 is about 311.6476304857.

The spelling of 30268541 in words is "thirty million, two hundred sixty-eight thousand, five hundred forty-one".