Search a number
-
+
206443124 = 22235973521
BaseRepresentation
bin11000100111000…
…01001001110100
3112101110101201122
430103201021310
5410322134444
632252443112
75054510666
oct1423411164
9471411648
10206443124
11a6593858
1259179498
1333a01bc4
141d5bc536
15131cd4ee
hexc4e1274

206443124 has 48 divisors (see below), whose sum is σ = 389370240. Its totient is φ = 95546880.

The previous prime is 206443073. The next prime is 206443187. The reversal of 206443124 is 421344602.

It is a junction number, because it is equal to n+sod(n) for n = 206443093 and 206443102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395984 + ... + 396504.

It is an arithmetic number, because the mean of its divisors is an integer number (8111880).

Almost surely, 2206443124 is an apocalyptic number.

It is an amenable number.

206443124 is a deficient number, since it is larger than the sum of its proper divisors (182927116).

206443124 is a wasteful number, since it uses less digits than its factorization.

206443124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 206443124 is about 14368.1287577750. The cubic root of 206443124 is about 591.0172282238.

Adding to 206443124 its reverse (421344602), we get a palindrome (627787726).

The spelling of 206443124 in words is "two hundred six million, four hundred forty-three thousand, one hundred twenty-four".

Divisors: 1 2 4 23 46 59 73 92 118 146 236 292 521 1042 1357 1679 2084 2714 3358 4307 5428 6716 8614 11983 17228 23966 30739 38033 47932 61478 76066 99061 122956 152132 198122 396244 706997 874759 1413994 1749518 2243947 2827988 3499036 4487894 8975788 51610781 103221562 206443124