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1306413238 = 21350246663
BaseRepresentation
bin100110111011110…
…0100100010110110
310101001020200001111
41031313210202312
510133420210423
6333344545234
744242220644
oct11567444266
93331220044
101306413238
11610488669
1230562221a
1317a8720b0
14c5710194
1579a5a60d
hex4dde48b6

1306413238 has 8 divisors (see below), whose sum is σ = 2110359888. Its totient is φ = 602959944.

The previous prime is 1306413233. The next prime is 1306413239. The reversal of 1306413238 is 8323146031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306413233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25123306 + ... + 25123357.

It is an arithmetic number, because the mean of its divisors is an integer number (263794986).

Almost surely, 21306413238 is an apocalyptic number.

1306413238 is a deficient number, since it is larger than the sum of its proper divisors (803946650).

1306413238 is a wasteful number, since it uses less digits than its factorization.

1306413238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50246678.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1306413238 is about 36144.3389481672. The cubic root of 1306413238 is about 1093.1846481537.

Adding to 1306413238 its reverse (8323146031), we get a palindrome (9629559269).

The spelling of 1306413238 in words is "one billion, three hundred six million, four hundred thirteen thousand, two hundred thirty-eight".

Divisors: 1 2 13 26 50246663 100493326 653206619 1306413238