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243068136 = 23311179067
BaseRepresentation
bin11100111110011…
…10110011101000
3121221101010210120
432133032303220
5444211140021
640041443240
76011021313
oct1637166350
9557333716
10243068136
11115229763
12694a0520
133b4864cc
14243d397a
15165152c6
hexe7cece8

243068136 has 32 divisors (see below), whose sum is σ = 608281440. Its totient is φ = 80941248.

The previous prime is 243068099. The next prime is 243068143. The reversal of 243068136 is 631860342.

It is a junction number, because it is equal to n+sod(n) for n = 243068097 and 243068106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22275 + ... + 31341.

It is an arithmetic number, because the mean of its divisors is an integer number (19008795).

Almost surely, 2243068136 is an apocalyptic number.

It is an amenable number.

243068136 is an abundant number, since it is smaller than the sum of its proper divisors (365213304).

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

243068136 is a wasteful number, since it uses less digits than its factorization.

243068136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10193 (or 10189 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 243068136 is about 15590.6425781621. The cubic root of 243068136 is about 624.0834659883.

The spelling of 243068136 in words is "two hundred forty-three million, sixty-eight thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 24 1117 2234 3351 4468 6702 8936 9067 13404 18134 26808 27201 36268 54402 72536 108804 217608 10127839 20255678 30383517 40511356 60767034 81022712 121534068 243068136