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4385273 = 5397853
BaseRepresentation
bin10000101110100111111001
322020210110112
4100232213321
52110312043
6233554105
752163024
oct20564771
98223415
104385273
1125257a2
121575935
13ba7049
148221bb
155b9518
hex42e9f9

4385273 has 8 divisors (see below), whose sum is σ = 4519368. Its totient is φ = 4253184.

The previous prime is 4385267. The next prime is 4385281. The reversal of 4385273 is 3725834.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 190969 + 4194304 = 437^2 + 2048^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4385273 - 26 = 4385209 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4385243) 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 7 ways as a sum of consecutive naturals, for example, 4715 + ... + 5567.

It is an arithmetic number, because the mean of its divisors is an integer number (564921).

Almost surely, 24385273 is an apocalyptic number.

It is an amenable number.

4385273 is a deficient number, since it is larger than the sum of its proper divisors (134095).

4385273 is an equidigital number, since it uses as much as digits as its factorization.

4385273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003.

The product of its digits is 20160, while the sum is 32.

The square root of 4385273 is about 2094.1043431501. The cubic root of 4385273 is about 163.6812294017.

Subtracting from 4385273 its sum of digits (32), we obtain a triangular number (4385241 = T2961).

The spelling of 4385273 in words is "four million, three hundred eighty-five thousand, two hundred seventy-three".

Divisors: 1 53 97 853 5141 45209 82741 4385273