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1228435603 is a prime number
BaseRepresentation
bin100100100111000…
…0111000010010011
310011121111222211221
41021032013002103
510003434414403
6321521345511
742304346623
oct11116070223
93147458757
101228435603
1158046893a
122a3498297
1316766c395
14b9212883
1572ca5dbd
hex49387093

1228435603 has 2 divisors, whose sum is σ = 1228435604. Its totient is φ = 1228435602.

The previous prime is 1228435531. The next prime is 1228435619. The reversal of 1228435603 is 3065348221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1228435603 is a prime.

It is not a weakly prime, because it can be changed into another prime (1228435303) 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, 614217801 + 614217802.

It is an arithmetic number, because the mean of its divisors is an integer number (614217802).

Almost surely, 21228435603 is an apocalyptic number.

1228435603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228435603 is an equidigital number, since it uses as much as digits as its factorization.

1228435603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 1228435603 is about 35049.0456788769. The cubic root of 1228435603 is about 1070.9868332062.

The spelling of 1228435603 in words is "one billion, two hundred twenty-eight million, four hundred thirty-five thousand, six hundred three".