Search a number
-
+
206433072 = 24329714779
BaseRepresentation
bin11000100110111…
…10101100110000
3112101102212221100
430103132230300
5410321324242
632252324400
75054436456
oct1423365460
9471385840
10206433072
11a658724a
1259173700
13339ca461
141d5b89d6
15131ca54c
hexc4deb30

206433072 has 60 divisors (see below), whose sum is σ = 583721320. Its totient is φ = 68097024.

The previous prime is 206433037. The next prime is 206433077. The reversal of 206433072 is 270334602.

206433072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2064330722 = 85229226430714368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (206433077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6579 + ... + 21357.

Almost surely, 2206433072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206433072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291860660).

206433072 is an abundant number, since it is smaller than the sum of its proper divisors (377288248).

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

206433072 is a wasteful number, since it uses less digits than its factorization.

206433072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14890 (or 14881 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 206433072 is about 14367.7789515290. The cubic root of 206433072 is about 591.0076355872.

Adding to 206433072 its reverse (270334602), we get a palindrome (476767674).

The spelling of 206433072 in words is "two hundred six million, four hundred thirty-three thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 97 144 194 291 388 582 776 873 1164 1552 1746 2328 3492 4656 6984 13968 14779 29558 44337 59116 88674 118232 133011 177348 236464 266022 354696 532044 709392 1064088 1433563 2128176 2867126 4300689 5734252 8601378 11468504 12902067 17202756 22937008 25804134 34405512 51608268 68811024 103216536 206433072