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242143144 = 23191593047
BaseRepresentation
bin11100110111011…
…00111110101000
3121212122010221121
432123230332220
5443442040034
640005545024
76000116455
oct1633547650
9555563847
10242143144
11114757801
1269115174
133b221489
142423282c
15163d11b4
hexe6ecfa8

242143144 has 16 divisors (see below), whose sum is σ = 477914400. Its totient is φ = 114699312.

The previous prime is 242143123. The next prime is 242143199. The reversal of 242143144 is 441341242.

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 3 ways as a sum of consecutive naturals, for example, 796372 + ... + 796675.

It is an arithmetic number, because the mean of its divisors is an integer number (29869650).

Almost surely, 2242143144 is an apocalyptic number.

It is an amenable number.

242143144 is a deficient number, since it is larger than the sum of its proper divisors (235771256).

242143144 is a wasteful number, since it uses less digits than its factorization.

242143144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593072 (or 1593068 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 242143144 is about 15560.9493283668. The cubic root of 242143144 is about 623.2908130286.

Adding to 242143144 its reverse (441341242), we get a palindrome (683484386).

The spelling of 242143144 in words is "two hundred forty-two million, one hundred forty-three thousand, one hundred forty-four".

Divisors: 1 2 4 8 19 38 76 152 1593047 3186094 6372188 12744376 30267893 60535786 121071572 242143144