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1306534927 = 1916840497
BaseRepresentation
bin100110111100000…
…0010010000001111
310101001110211222111
41031320002100033
510133433104202
6333351324451
744243235505
oct11570022017
93331424874
101306534927
11610561035
12305680727
1317a8b55b9
14c5742675
1579a816d7
hex4de0240f

1306534927 has 4 divisors (see below), whose sum is σ = 1313375616. Its totient is φ = 1299694240.

The previous prime is 1306534921. The next prime is 1306534939. The reversal of 1306534927 is 7294356031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7294356031 = 31123454521.

It is a cyclic number.

It is not a de Polignac number, because 1306534927 - 215 = 1306502159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1306534927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306534921) 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 3 ways as a sum of consecutive naturals, for example, 3420058 + ... + 3420439.

It is an arithmetic number, because the mean of its divisors is an integer number (328343904).

Almost surely, 21306534927 is an apocalyptic number.

1306534927 is a deficient number, since it is larger than the sum of its proper divisors (6840689).

1306534927 is an equidigital number, since it uses as much as digits as its factorization.

1306534927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6840688.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 1306534927 is about 36146.0222846166. The cubic root of 1306534927 is about 1093.2185895367.

The spelling of 1306534927 in words is "one billion, three hundred six million, five hundred thirty-four thousand, nine hundred twenty-seven".

Divisors: 1 191 6840497 1306534927