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242317811 = 1923554503
BaseRepresentation
bin11100111000101…
…11100111110011
3121212222000112202
432130113213303
5444013132221
640013413415
76001444631
oct1634274763
9555860482
10242317811
11114866a5a
126919a26b
133b282b28
142427a351
1516417d0b
hexe7179f3

242317811 has 8 divisors (see below), whose sum is σ = 266161920. Its totient is φ = 219582792.

The previous prime is 242317787. The next prime is 242317843. The reversal of 242317811 is 118713242.

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 242317811 - 214 = 242301427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242317861) 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, 276815 + ... + 277688.

It is an arithmetic number, because the mean of its divisors is an integer number (33270240).

Almost surely, 2242317811 is an apocalyptic number.

242317811 is a deficient number, since it is larger than the sum of its proper divisors (23844109).

242317811 is a wasteful number, since it uses less digits than its factorization.

242317811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554545.

The product of its digits is 2688, while the sum is 29.

The square root of 242317811 is about 15566.5606670195. The cubic root of 242317811 is about 623.4406447468.

The spelling of 242317811 in words is "two hundred forty-two million, three hundred seventeen thousand, eight hundred eleven".

Divisors: 1 19 23 437 554503 10535557 12753569 242317811