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103145429 is a prime number
BaseRepresentation
bin1100010010111…
…01111111010101
321012002022221002
412021131333111
5202401123204
614122433045
72361502352
oct611357725
9235068832
10103145429
115324a762
122a662785
13184a53ca
14d9ad629
1590c691e
hex625dfd5

103145429 has 2 divisors, whose sum is σ = 103145430. Its totient is φ = 103145428.

The previous prime is 103145411. The next prime is 103145447. The reversal of 103145429 is 924541301.

It is a balanced prime because it is at equal distance from previous prime (103145411) and next prime (103145447).

It can be written as a sum of positive squares in only one way, i.e., 102616900 + 528529 = 10130^2 + 727^2 .

It is an emirp because it is prime and its reverse (924541301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103145429 - 28 = 103145173 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 (103045429) 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, 51572714 + 51572715.

It is an arithmetic number, because the mean of its divisors is an integer number (51572715).

Almost surely, 2103145429 is an apocalyptic number.

It is an amenable number.

103145429 is a deficient number, since it is larger than the sum of its proper divisors (1).

103145429 is an equidigital number, since it uses as much as digits as its factorization.

103145429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 103145429 is about 10156.0538104128. The cubic root of 103145429 is about 468.9753276619.

The spelling of 103145429 in words is "one hundred three million, one hundred forty-five thousand, four hundred twenty-nine".