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238318713 = 3315975527
BaseRepresentation
bin11100011010001…
…11010001111001
3121121102211211000
432031013101321
5442002144323
635351555213
75622450513
oct1615072171
9547384730
10238318713
11112585416
126798bb09
133a4b27b9
1423918bb3
1515dc7e43
hexe347479

238318713 has 16 divisors (see below), whose sum is σ = 353349760. Its totient is φ = 158750928.

The previous prime is 238318681. The next prime is 238318741. The reversal of 238318713 is 317813832.

It is not a de Polignac number, because 238318713 - 25 = 238318681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238318753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40356 + ... + 45882.

It is an arithmetic number, because the mean of its divisors is an integer number (22084360).

Almost surely, 2238318713 is an apocalyptic number.

It is an amenable number.

238318713 is a deficient number, since it is larger than the sum of its proper divisors (115031047).

238318713 is a wasteful number, since it uses less digits than its factorization.

238318713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7133 (or 7127 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 238318713 is about 15437.5747123698. The cubic root of 238318713 is about 619.9919466522.

The spelling of 238318713 in words is "two hundred thirty-eight million, three hundred eighteen thousand, seven hundred thirteen".

Divisors: 1 3 9 27 1597 4791 5527 14373 16581 43119 49743 149229 8826619 26479857 79439571 238318713