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4689385 = 5937877
BaseRepresentation
bin10001111000110111101001
322211020121221
4101320313221
52200030020
6244302041
754600451
oct21706751
98736557
104689385
112713228
1216a1921
13c825ac
148a0d61
156296aa
hex478de9

4689385 has 4 divisors (see below), whose sum is σ = 5627268. Its totient is φ = 3751504.

The previous prime is 4689359. The next prime is 4689389. The reversal of 4689385 is 5839864.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1907161 + 2782224 = 1381^2 + 1668^2 .

It is a cyclic number.

It is not a de Polignac number, because 4689385 - 25 = 4689353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4689389) 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 in 3 ways as a sum of consecutive naturals, for example, 468934 + ... + 468943.

It is an arithmetic number, because the mean of its divisors is an integer number (1406817).

Almost surely, 24689385 is an apocalyptic number.

It is an amenable number.

4689385 is a deficient number, since it is larger than the sum of its proper divisors (937883).

4689385 is an equidigital number, since it uses as much as digits as its factorization.

4689385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937882.

The product of its digits is 207360, while the sum is 43.

The square root of 4689385 is about 2165.4987878085. The cubic root of 4689385 is about 167.3806679561.

The spelling of 4689385 in words is "four million, six hundred eighty-nine thousand, three hundred eighty-five".

Divisors: 1 5 937877 4689385