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3330401285 = 5666080257
BaseRepresentation
bin1100011010000001…
…1110010000000101
322121002201220200202
43012200132100011
523310040320120
61310250020245
7145346641511
oct30640362005
98532656622
103330401285
111459a19862
1278b417685
13410c97b63
14238451141
151475aa875
hexc681e405

3330401285 has 4 divisors (see below), whose sum is σ = 3996481548. Its totient is φ = 2664321024.

The previous prime is 3330401257. The next prime is 3330401287. The reversal of 3330401285 is 5821040333.

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 1125065764 + 2205335521 = 33542^2 + 46961^2 .

It is a cyclic number.

It is not a de Polignac number, because 3330401285 - 210 = 3330400261 is a prime.

It is a super-2 number, since 2×33304012852 = 22183145438259302450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3330401287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333040124 + ... + 333040133.

It is an arithmetic number, because the mean of its divisors is an integer number (999120387).

Almost surely, 23330401285 is an apocalyptic number.

It is an amenable number.

3330401285 is a deficient number, since it is larger than the sum of its proper divisors (666080263).

3330401285 is an equidigital number, since it uses as much as digits as its factorization.

3330401285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666080262.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 3330401285 is about 57709.6290492323. The cubic root of 3330401285 is about 1493.3634638583.

The spelling of 3330401285 in words is "three billion, three hundred thirty million, four hundred one thousand, two hundred eighty-five".

Divisors: 1 5 666080257 3330401285