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243001214 = 2121500607
BaseRepresentation
bin11100111101111…
…10011101111110
3121221020201222222
432132332131332
5444202014324
640040205342
76010322231
oct1636763576
9557221888
10243001214
11115193455
1269469852
133b461c01
14243b7418
151650055e
hexe7be77e

243001214 has 4 divisors (see below), whose sum is σ = 364501824. Its totient is φ = 121500606.

The previous prime is 243001211. The next prime is 243001223. The reversal of 243001214 is 412100342.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 243001192 and 243001201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243001211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60750302 + ... + 60750305.

It is an arithmetic number, because the mean of its divisors is an integer number (91125456).

Almost surely, 2243001214 is an apocalyptic number.

243001214 is a deficient number, since it is larger than the sum of its proper divisors (121500610).

243001214 is a wasteful number, since it uses less digits than its factorization.

243001214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121500609.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 243001214 is about 15588.4962071394. The cubic root of 243001214 is about 624.0261860998.

Adding to 243001214 its reverse (412100342), we get a palindrome (655101556).

The spelling of 243001214 in words is "two hundred forty-three million, one thousand, two hundred fourteen".

Divisors: 1 2 121500607 243001214