Search a number
-
+
385894360 = 23563115289
BaseRepresentation
bin10111000000000…
…100011111011000
3222220010110112201
4113000010133120
51242242104420
6102143015544
712364022305
oct2700043730
9886113481
10385894360
11188911165
12a929a5b4
1361c43077
14393720ac
1523d2910a
hex170047d8

385894360 has 32 divisors (see below), whose sum is σ = 869695200. Its totient is φ = 154103040.

The previous prime is 385894343. The next prime is 385894361. The reversal of 385894360 is 63498583.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 385894360.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385894361) 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, 17596 + ... + 32884.

It is an arithmetic number, because the mean of its divisors is an integer number (27177975).

Almost surely, 2385894360 is an apocalyptic number.

It is an amenable number.

385894360 is an abundant number, since it is smaller than the sum of its proper divisors (483800840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385894360 is a wasteful number, since it uses less digits than its factorization.

385894360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15931 (or 15927 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 385894360 is about 19644.1940532056. The cubic root of 385894360 is about 728.0415133514.

The spelling of 385894360 in words is "three hundred eighty-five million, eight hundred ninety-four thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 631 1262 2524 3155 5048 6310 12620 15289 25240 30578 61156 76445 122312 152890 305780 611560 9647359 19294718 38589436 48236795 77178872 96473590 192947180 385894360