Search a number
-
+
243050238 = 232101133691
BaseRepresentation
bin11100111110010…
…10011011111110
3121221100020020200
432133022123332
5444210101423
640041224330
76010615164
oct1637123376
9557306220
10243050238
11115217272
12694920a6
133b47b312
14243cb234
151650ed43
hexe7ca6fe

243050238 has 24 divisors (see below), whose sum is σ = 531826776. Its totient is φ = 80214000.

The previous prime is 243050219. The next prime is 243050243. The reversal of 243050238 is 832050342.

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, 65028 + ... + 68663.

It is an arithmetic number, because the mean of its divisors is an integer number (22159449).

Almost surely, 2243050238 is an apocalyptic number.

243050238 is an abundant number, since it is smaller than the sum of its proper divisors (288776538).

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

243050238 is a wasteful number, since it uses less digits than its factorization.

243050238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133800 (or 133797 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 243050238 is about 15590.0685694451. The cubic root of 243050238 is about 624.0681477594.

The spelling of 243050238 in words is "two hundred forty-three million, fifty thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 9 18 101 202 303 606 909 1818 133691 267382 401073 802146 1203219 2406438 13502791 27005582 40508373 81016746 121525119 243050238