Search a number
-
+
243013412 = 22229726449
BaseRepresentation
bin11100111110000…
…01011100100100
3121221021100201202
432133001130210
5444202412122
640040342032
76010402625
oct1637013444
9557240652
10243013412
111151a1634
1269474918
133b467625
14243bba4c
1516503e92
hexe7c1724

243013412 has 12 divisors (see below), whose sum is σ = 425474700. Its totient is φ = 121449216.

The previous prime is 243013399. The next prime is 243013451. The reversal of 243013412 is 214310342.

243013412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 64096036 + 178917376 = 8006^2 + 13376^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4037 + ... + 22412.

It is an arithmetic number, because the mean of its divisors is an integer number (35456225).

Almost surely, 2243013412 is an apocalyptic number.

It is an amenable number.

243013412 is a deficient number, since it is larger than the sum of its proper divisors (182461288).

243013412 is a wasteful number, since it uses less digits than its factorization.

243013412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28750 (or 28748 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 243013412 is about 15588.8874522847. The cubic root of 243013412 is about 624.0366273975.

Adding to 243013412 its reverse (214310342), we get a palindrome (457323754).

The spelling of 243013412 in words is "two hundred forty-three million, thirteen thousand, four hundred twelve".

Divisors: 1 2 4 2297 4594 9188 26449 52898 105796 60753353 121506706 243013412