Search a number
-
+
243006246 = 23271928621
BaseRepresentation
bin11100111101111…
…11101100100110
3121221020222220100
432132333230212
5444202144441
640040244530
76010343010
oct1636775446
9557228810
10243006246
1111519720a
1269470746
133b4642a2
14243b91b0
1516501cb6
hexe7bfb26

243006246 has 24 divisors (see below), whose sum is σ = 601730064. Its totient is φ = 69430320.

The previous prime is 243006227. The next prime is 243006277. The reversal of 243006246 is 642600342.

243006246 is a `hidden beast` number, since 2 + 4 + 30 + 0 + 624 + 6 = 666.

It is a Curzon number.

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 11 ways as a sum of consecutive naturals, for example, 964185 + ... + 964436.

It is an arithmetic number, because the mean of its divisors is an integer number (25072086).

Almost surely, 2243006246 is an apocalyptic number.

243006246 is an abundant number, since it is smaller than the sum of its proper divisors (358723818).

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

243006246 is a wasteful number, since it uses less digits than its factorization.

243006246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928636 (or 1928633 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 243006246 is about 15588.6576073759. The cubic root of 243006246 is about 624.0304934556.

Adding to 243006246 its reverse (642600342), we get a palindrome (885606588).

The spelling of 243006246 in words is "two hundred forty-three million, six thousand, two hundred forty-six".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 1928621 3857242 5785863 11571726 13500347 17357589 27000694 34715178 40501041 81002082 121503123 243006246