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243238004 = 22530311467
BaseRepresentation
bin11100111111110…
…00010001110100
3121221200202210222
432133320101310
5444232104004
640045233512
76012326462
oct1637702164
9557622728
10243238004
11115335349
1269562898
133b515919
1424439832
151654a7be
hexe7f8474

243238004 has 12 divisors (see below), whose sum is σ = 425783904. Its totient is φ = 121585464.

The previous prime is 243238003. The next prime is 243238013. The reversal of 243238004 is 400832342.

It is a super-3 number, since 3×2432380043 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243238003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15479 + ... + 26945.

It is an arithmetic number, because the mean of its divisors is an integer number (35481992).

Almost surely, 2243238004 is an apocalyptic number.

It is an amenable number.

243238004 is a deficient number, since it is larger than the sum of its proper divisors (182545900).

243238004 is a wasteful number, since it uses less digits than its factorization.

243238004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16774 (or 16772 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 243238004 is about 15596.0893816367. The cubic root of 243238004 is about 624.2288122358.

The spelling of 243238004 in words is "two hundred forty-three million, two hundred thirty-eight thousand, four".

Divisors: 1 2 4 5303 10606 11467 21212 22934 45868 60809501 121619002 243238004