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245971066 = 21111180503
BaseRepresentation
bin11101010100100…
…11100001111010
3122010211121212111
432222103201322
51000432033231
640224002534
76044501545
oct1652234172
9563747774
10245971066
11116931780
126a46044a
133bc61913
142494b85c
15168da4b1
hexea9387a

245971066 has 8 divisors (see below), whose sum is σ = 402498144. Its totient is φ = 111805020.

The previous prime is 245971049. The next prime is 245971067. The reversal of 245971066 is 660179542.

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

It is not an unprimeable number, because it can be changed into a prime (245971067) 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, 5590230 + ... + 5590273.

It is an arithmetic number, because the mean of its divisors is an integer number (50312268).

Almost surely, 2245971066 is an apocalyptic number.

245971066 is a deficient number, since it is larger than the sum of its proper divisors (156527078).

245971066 is a wasteful number, since it uses less digits than its factorization.

245971066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11180516.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 245971066 is about 15683.4647320036. The cubic root of 245971066 is about 626.5580888668.

The spelling of 245971066 in words is "two hundred forty-five million, nine hundred seventy-one thousand, sixty-six".

Divisors: 1 2 11 22 11180503 22361006 122985533 245971066