Search a number
-
+
385852645 = 5409188681
BaseRepresentation
bin10110111111111…
…010010011100101
3222220001100022201
4112333322103211
51242234241040
6102142054501
712363456553
oct2677722345
9886040281
10385852645
11188892892
12a927a431
1361c2a099
1439360bd3
1523d1ba9a
hex16ffa4e5

385852645 has 8 divisors (see below), whose sum is σ = 464157720. Its totient is φ = 307925760.

The previous prime is 385852639. The next prime is 385852769. The reversal of 385852645 is 546258583.

It can be written as a sum of positive squares in 4 ways, for example, as 147428164 + 238424481 = 12142^2 + 15441^2 .

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

It is not a de Polignac number, because 385852645 - 215 = 385819877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 385852595 and 385852604.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 92296 + ... + 96385.

It is an arithmetic number, because the mean of its divisors is an integer number (58019715).

Almost surely, 2385852645 is an apocalyptic number.

It is an amenable number.

385852645 is a deficient number, since it is larger than the sum of its proper divisors (78305075).

385852645 is a wasteful number, since it uses less digits than its factorization.

385852645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189095.

The product of its digits is 1152000, while the sum is 46.

The square root of 385852645 is about 19643.1322604110. The cubic root of 385852645 is about 728.0152787569.

The spelling of 385852645 in words is "three hundred eighty-five million, eight hundred fifty-two thousand, six hundred forty-five".

Divisors: 1 5 409 2045 188681 943405 77170529 385852645