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240961 = 7291187
BaseRepresentation
bin111010110101000001
3110020112111
4322311001
530202321
65055321
72022340
oct726501
9406474
10240961
11155046
12b7541
13858a6
1463b57
154b5e1
hex3ad41

240961 has 8 divisors (see below), whose sum is σ = 285120. Its totient is φ = 199248.

The previous prime is 240959. The next prime is 240967. The reversal of 240961 is 169042.

240961 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 240961 - 21 = 240959 is a prime.

It is an Ulam number.

It is a Duffinian number.

240961 is a lucky number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (240967) 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, 391 + ... + 796.

It is an arithmetic number, because the mean of its divisors is an integer number (35640).

2240961 is an apocalyptic number.

It is an amenable number.

240961 is a deficient number, since it is larger than the sum of its proper divisors (44159).

240961 is a wasteful number, since it uses less digits than its factorization.

240961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 240961 is about 490.8777851971. The cubic root of 240961 is about 62.2274855005.

The spelling of 240961 in words is "two hundred forty thousand, nine hundred sixty-one".

Divisors: 1 7 29 203 1187 8309 34423 240961