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4128379 is a prime number
BaseRepresentation
bin1111101111111001111011
321202202001221
433233321323
52024102004
6224252511
750043043
oct17577173
97682057
104128379
11236a792
121471137
13b17138
14796723
15568354
hex3efe7b

4128379 has 2 divisors, whose sum is σ = 4128380. Its totient is φ = 4128378.

The previous prime is 4128367. The next prime is 4128391. The reversal of 4128379 is 9738214.

It is a balanced prime because it is at equal distance from previous prime (4128367) and next prime (4128391).

It is a cyclic number.

It is not a de Polignac number, because 4128379 - 27 = 4128251 is a prime.

4128379 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4128359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2064189 + 2064190.

It is an arithmetic number, because the mean of its divisors is an integer number (2064190).

Almost surely, 24128379 is an apocalyptic number.

4128379 is a deficient number, since it is larger than the sum of its proper divisors (1).

4128379 is an equidigital number, since it uses as much as digits as its factorization.

4128379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 4128379 is about 2031.8412831715. The cubic root of 4128379 is about 160.4204954915.

The spelling of 4128379 in words is "four million, one hundred twenty-eight thousand, three hundred seventy-nine".