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389520314 = 2558134897
BaseRepresentation
bin10111001101111…
…001101110111010
31000010221200102022
4113031321232322
51244204122224
6102352434442
712436603511
oct2715715672
91003850368
10389520314
1118a968417
12aa548a22
13629125c1
1439a37678
15242e365e
hex17379bba

389520314 has 8 divisors (see below), whose sum is σ = 584401908. Its totient is φ = 194719680.

The previous prime is 389520293. The next prime is 389520317. The reversal of 389520314 is 413025983.

It can be written as a sum of positive squares in 2 ways, for example, as 332442289 + 57078025 = 18233^2 + 7555^2 .

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

It is not an unprimeable number, because it can be changed into a prime (389520317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6287 + ... + 28610.

Almost surely, 2389520314 is an apocalyptic number.

389520314 is a deficient number, since it is larger than the sum of its proper divisors (194881594).

389520314 is a wasteful number, since it uses less digits than its factorization.

389520314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40480.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 389520314 is about 19736.2689989775. The cubic root of 389520314 is about 730.3146913690.

The spelling of 389520314 in words is "three hundred eighty-nine million, five hundred twenty thousand, three hundred fourteen".

Divisors: 1 2 5581 11162 34897 69794 194760157 389520314