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327842005 = 565568401
BaseRepresentation
bin10011100010100…
…111100011010101
3211211220002200111
4103202213203111
51132411421010
652310443021
711060416411
oct2342474325
9754802614
10327842005
11159070607
1291963471
1352bc876a
143177dd41
151dbad58a
hex138a78d5

327842005 has 4 divisors (see below), whose sum is σ = 393410412. Its totient is φ = 262273600.

The previous prime is 327841981. The next prime is 327842033. The reversal of 327842005 is 500248723.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500248723 = 1338480671.

It can be written as a sum of positive squares in 2 ways, for example, as 237344836 + 90497169 = 15406^2 + 9513^2 .

It is a de Polignac number, because none of the positive numbers 2k-327842005 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, 32784196 + ... + 32784205.

It is an arithmetic number, because the mean of its divisors is an integer number (98352603).

Almost surely, 2327842005 is an apocalyptic number.

It is an amenable number.

327842005 is a deficient number, since it is larger than the sum of its proper divisors (65568407).

327842005 is an equidigital number, since it uses as much as digits as its factorization.

327842005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65568406.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 327842005 is about 18106.4078436337. The cubic root of 327842005 is about 689.5326983648.

The spelling of 327842005 in words is "three hundred twenty-seven million, eight hundred forty-two thousand, five".

Divisors: 1 5 65568401 327842005