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243200011 = 1773195971
BaseRepresentation
bin11100111111011…
…11000000001011
3121221121211200211
432133233000023
5444224400021
640044341551
76012110635
oct1637570013
9557554624
10243200011
1111530984a
12695448b7
133b501542
1424429a55
151653e3e1
hexe7ef00b

243200011 has 8 divisors (see below), whose sum is σ = 261034704. Its totient is φ = 225757440.

The previous prime is 243199973. The next prime is 243200039. The reversal of 243200011 is 110002342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243200011 - 29 = 243199499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243199964 and 243200000.

It is not an unprimeable number, because it can be changed into a prime (243200051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96745 + ... + 99226.

It is an arithmetic number, because the mean of its divisors is an integer number (32629338).

Almost surely, 2243200011 is an apocalyptic number.

243200011 is a deficient number, since it is larger than the sum of its proper divisors (17834693).

243200011 is a wasteful number, since it uses less digits than its factorization.

243200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196061.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 243200011 is about 15594.8713043744. The cubic root of 243200011 is about 624.1963096940.

Adding to 243200011 its reverse (110002342), we get a palindrome (353202353).

The spelling of 243200011 in words is "two hundred forty-three million, two hundred thousand, eleven".

Divisors: 1 17 73 1241 195971 3331507 14305883 243200011