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242961 = 3109743
BaseRepresentation
bin111011010100010001
3110100021120
4323110101
530233321
65112453
72031225
oct732421
9410246
10242961
111565a4
12b8729
1386784
1464785
154bec6
hex3b511

242961 has 8 divisors (see below), whose sum is σ = 327360. Its totient is φ = 160272.

The previous prime is 242927. The next prime is 242971. The reversal of 242961 is 169242.

242961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 242961 - 29 = 242449 is a prime.

It is a Curzon number.

242961 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 242961.

It is not an unprimeable number, because it can be changed into a prime (242911) 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, 45 + ... + 698.

It is an arithmetic number, because the mean of its divisors is an integer number (40920).

2242961 is an apocalyptic number.

It is an amenable number.

242961 is a deficient number, since it is larger than the sum of its proper divisors (84399).

242961 is a wasteful number, since it uses less digits than its factorization.

242961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855.

The product of its digits is 864, while the sum is 24.

The square root of 242961 is about 492.9107424271. The cubic root of 242961 is about 62.3991761068.

The spelling of 242961 in words is "two hundred forty-two thousand, nine hundred sixty-one".

Divisors: 1 3 109 327 743 2229 80987 242961