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4038497285 = 5807699457
BaseRepresentation
bin1111000010110110…
…1001010000000101
3101102110010220210112
43300231221100011
531232323403120
61504423002405
7202035442364
oct36055512005
911373126715
104038497285
111792698869
12948599405
134c48b0284
142a44d57db
1518982bbc5
hexf0b69405

4038497285 has 4 divisors (see below), whose sum is σ = 4846196748. Its totient is φ = 3230797824.

The previous prime is 4038497261. The next prime is 4038497311. The reversal of 4038497285 is 5827948304.

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 1210065796 + 2828431489 = 34786^2 + 53183^2 .

It is a cyclic number.

It is not a de Polignac number, because 4038497285 - 218 = 4038235141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403849724 + ... + 403849733.

It is an arithmetic number, because the mean of its divisors is an integer number (1211549187).

Almost surely, 24038497285 is an apocalyptic number.

It is an amenable number.

4038497285 is a deficient number, since it is larger than the sum of its proper divisors (807699463).

4038497285 is an equidigital number, since it uses as much as digits as its factorization.

4038497285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807699462.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The square root of 4038497285 is about 63549.1721818624. The cubic root of 4038497285 is about 1592.4773538705.

The spelling of 4038497285 in words is "four billion, thirty-eight million, four hundred ninety-seven thousand, two hundred eighty-five".

Divisors: 1 5 807699457 4038497285