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243042032 = 2419737699
BaseRepresentation
bin11100111110010…
…00011011110000
3121221022210222202
432133020123300
5444204321112
640041122332
76010552232
oct1637103360
9557283882
10243042032
11115211092
12694893a8
133b47766c
14243c8252
151650c6c2
hexe7c86f0

243042032 has 20 divisors (see below), whose sum is σ = 471193800. Its totient is φ = 121443648.

The previous prime is 243041983. The next prime is 243042089. The reversal of 243042032 is 230240342.

It is a junction number, because it is equal to n+sod(n) for n = 243041995 and 243042013.

It is a congruent number.

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, 27719 + ... + 35417.

It is an arithmetic number, because the mean of its divisors is an integer number (23559690).

Almost surely, 2243042032 is an apocalyptic number.

It is an amenable number.

243042032 is a deficient number, since it is larger than the sum of its proper divisors (228151768).

243042032 is a wasteful number, since it uses less digits than its factorization.

243042032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9680 (or 9674 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 243042032 is about 15589.8053868546. The cubic root of 243042032 is about 624.0611242994.

Adding to 243042032 its reverse (230240342), we get a palindrome (473282374).

The spelling of 243042032 in words is "two hundred forty-three million, forty-two thousand, thirty-two".

Divisors: 1 2 4 8 16 1973 3946 7699 7892 15398 15784 30796 31568 61592 123184 15190127 30380254 60760508 121521016 243042032