Search a number
-
+
385290359 = 3174212887
BaseRepresentation
bin10110111101110…
…001000001110111
3222211222210000022
4112331301001313
51242113242414
6102122035355
712355625336
oct2675610167
9884883008
10385290359
11188539393
12a9048b5b
1361a9117c
1439255d1d
1523c5a18e
hex16f71077

385290359 has 8 divisors (see below), whose sum is σ = 387558048. Its totient is φ = 383029920.

The previous prime is 385290343. The next prime is 385290383. The reversal of 385290359 is 953092583.

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 385290359 - 24 = 385290343 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 (385290559) 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, 132014 + ... + 134900.

It is an arithmetic number, because the mean of its divisors is an integer number (48444756).

Almost surely, 2385290359 is an apocalyptic number.

385290359 is a deficient number, since it is larger than the sum of its proper divisors (2267689).

385290359 is a wasteful number, since it uses less digits than its factorization.

385290359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3625.

The product of its (nonzero) digits is 291600, while the sum is 44.

The square root of 385290359 is about 19628.8145082682. The cubic root of 385290359 is about 727.6614720129.

The spelling of 385290359 in words is "three hundred eighty-five million, two hundred ninety thousand, three hundred fifty-nine".

Divisors: 1 317 421 2887 133457 915179 1215427 385290359