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2730424285 = 5546084857
BaseRepresentation
bin1010001010111110…
…1111011111011101
321001021202220222101
42202233233133131
521042442034120
61130534245101
7124443136441
oct24257573735
97037686871
102730424285
1111812871a6
126424b6791
133468a9894
141bc8b2821
1510ea9490a
hexa2bef7dd

2730424285 has 4 divisors (see below), whose sum is σ = 3276509148. Its totient is φ = 2184339424.

The previous prime is 2730424253. The next prime is 2730424297. The reversal of 2730424285 is 5824240372.

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 1260392004 + 1470032281 = 35502^2 + 38341^2 .

It is a cyclic number.

It is not a de Polignac number, because 2730424285 - 25 = 2730424253 is a prime.

It is a super-2 number, since 2×27304242852 = 14910433552235522450, which contains 22 as substring.

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, 273042424 + ... + 273042433.

It is an arithmetic number, because the mean of its divisors is an integer number (819127287).

Almost surely, 22730424285 is an apocalyptic number.

It is an amenable number.

2730424285 is a deficient number, since it is larger than the sum of its proper divisors (546084863).

2730424285 is an equidigital number, since it uses as much as digits as its factorization.

2730424285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546084862.

The product of its (nonzero) digits is 107520, while the sum is 37.

The square root of 2730424285 is about 52253.4619427268. The cubic root of 2730424285 is about 1397.6873869073.

The spelling of 2730424285 in words is "two billion, seven hundred thirty million, four hundred twenty-four thousand, two hundred eighty-five".

Divisors: 1 5 546084857 2730424285