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4842139 is a prime number
BaseRepresentation
bin10010011110001010011011
3100010000011111
4102132022123
52214422024
6251441151
756105011
oct22361233
910100144
104842139
112807a75
1217561b7
131006c93
149008b1
15659a94
hex49e29b

4842139 has 2 divisors, whose sum is σ = 4842140. Its totient is φ = 4842138.

The previous prime is 4842113. The next prime is 4842179. The reversal of 4842139 is 9312484.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4842139 - 213 = 4833947 is a prime.

It is a d-powerful number, because it can be written as 42 + 8 + 43 + 25 + 1 + 314 + 95 .

It is a self number, because there is not a number n which added to its sum of digits gives 4842139.

It is not a weakly prime, because it can be changed into another prime (4842109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2421069 + 2421070.

It is an arithmetic number, because the mean of its divisors is an integer number (2421070).

Almost surely, 24842139 is an apocalyptic number.

4842139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4842139 is an equidigital number, since it uses as much as digits as its factorization.

4842139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 4842139 is about 2200.4860826645. The cubic root of 4842139 is about 169.1787262252.

The spelling of 4842139 in words is "four million, eight hundred forty-two thousand, one hundred thirty-nine".