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1228234141 is a prime number
BaseRepresentation
bin100100100110101…
…0101110110011101
310011121010202111101
41021031111312131
510003411443031
6321513153101
742302550361
oct11115256635
93147122441
101228234141
11580340542
122a33bb791
131675cb784
14b919d2a1
1572c66361
hex49355d9d

1228234141 has 2 divisors, whose sum is σ = 1228234142. Its totient is φ = 1228234140.

The previous prime is 1228234057. The next prime is 1228234159. The reversal of 1228234141 is 1414328221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 624500100 + 603734041 = 24990^2 + 24571^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1228234141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1228234541) 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, 614117070 + 614117071.

It is an arithmetic number, because the mean of its divisors is an integer number (614117071).

Almost surely, 21228234141 is an apocalyptic number.

It is an amenable number.

1228234141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228234141 is an equidigital number, since it uses as much as digits as its factorization.

1228234141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 28.

The square root of 1228234141 is about 35046.1715598152. The cubic root of 1228234141 is about 1070.9282831433.

The spelling of 1228234141 in words is "one billion, two hundred twenty-eight million, two hundred thirty-four thousand, one hundred forty-one".