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4578139 is a prime number
BaseRepresentation
bin10001011101101101011011
322121121000201
4101131231123
52133000024
6242043031
753625226
oct21355533
98547021
104578139
112647695
121649477
13c43a77
148725bd
15606744
hex45db5b

4578139 has 2 divisors, whose sum is σ = 4578140. Its totient is φ = 4578138.

The previous prime is 4578113. The next prime is 4578163. The reversal of 4578139 is 9318754.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4578139 - 29 = 4577627 is a prime.

4578139 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4578098 and 4578107.

It is not a weakly prime, because it can be changed into another prime (4578179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2289069 + 2289070.

It is an arithmetic number, because the mean of its divisors is an integer number (2289070).

Almost surely, 24578139 is an apocalyptic number.

4578139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4578139 is an equidigital number, since it uses as much as digits as its factorization.

4578139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 4578139 is about 2139.6586176304. The cubic root of 4578139 is about 166.0464741411.

The spelling of 4578139 in words is "four million, five hundred seventy-eight thousand, one hundred thirty-nine".