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389670353 = 10714812459
BaseRepresentation
bin10111001110011…
…110010111010001
31000011020022020022
4113032132113101
51244223422403
6102355553225
712441100112
oct2716362721
91004208208
10389670353
1118aa60116
12aa5bb815
1362965997
1439a76209
1524322d38
hex1739e5d1

389670353 has 8 divisors (see below), whose sum is σ = 393737760. Its totient is φ = 385611040.

The previous prime is 389670349. The next prime is 389670367. The reversal of 389670353 is 353076983.

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 389670353 - 22 = 389670349 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389670553) 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 7 ways as a sum of consecutive naturals, for example, 157238 + ... + 159696.

It is an arithmetic number, because the mean of its divisors is an integer number (49217220).

Almost surely, 2389670353 is an apocalyptic number.

It is an amenable number.

389670353 is a deficient number, since it is larger than the sum of its proper divisors (4067407).

389670353 is a wasteful number, since it uses less digits than its factorization.

389670353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047.

The product of its (nonzero) digits is 408240, while the sum is 44.

The square root of 389670353 is about 19740.0697313865. The cubic root of 389670353 is about 730.4084490978.

The spelling of 389670353 in words is "three hundred eighty-nine million, six hundred seventy thousand, three hundred fifty-three".

Divisors: 1 107 1481 2459 158467 263113 3641779 389670353