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238334389 = 793837877
BaseRepresentation
bin11100011010010…
…11000110110101
3121121110122022121
432031023012311
5442003200024
635352155541
75622544306
oct1615130665
9547418277
10238334389
11112596177
1267998bb1
133a4b9987
14239207ad
1515dcc8e4
hexe34b1b5

238334389 has 8 divisors (see below), whose sum is σ = 242012160. Its totient is φ = 234673296.

The previous prime is 238334387. The next prime is 238334399. The reversal of 238334389 is 983433832.

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

It is a cyclic number.

It is not a de Polignac number, because 238334389 - 21 = 238334387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238334387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26319 + ... + 34195.

It is an arithmetic number, because the mean of its divisors is an integer number (30251520).

Almost surely, 2238334389 is an apocalyptic number.

It is an amenable number.

238334389 is a deficient number, since it is larger than the sum of its proper divisors (3677771).

238334389 is an equidigital number, since it uses as much as digits as its factorization.

238334389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8339.

The product of its digits is 373248, while the sum is 43.

The square root of 238334389 is about 15438.0824262601. The cubic root of 238334389 is about 620.0055401864.

The spelling of 238334389 in words is "two hundred thirty-eight million, three hundred thirty-four thousand, three hundred eighty-nine".

Divisors: 1 79 383 7877 30257 622283 3016891 238334389