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220256205 = 35131129519
BaseRepresentation
bin11010010000011…
…01011111001101
3120100110011201020
431020031133031
5422341144310
633504504353
75313101241
oct1510153715
9510404636
10220256205
11103368824
126191b0b9
133682a220
1421376421
151450b170
hexd20d7cd

220256205 has 16 divisors (see below), whose sum is σ = 379518720. Its totient is φ = 108433728.

The previous prime is 220256171. The next prime is 220256213. The reversal of 220256205 is 502652022.

It is not a de Polignac number, because 220256205 - 211 = 220254157 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564565 + ... + 564954.

It is an arithmetic number, because the mean of its divisors is an integer number (23719920).

Almost surely, 2220256205 is an apocalyptic number.

It is an amenable number.

220256205 is a deficient number, since it is larger than the sum of its proper divisors (159262515).

220256205 is a wasteful number, since it uses less digits than its factorization.

220256205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129540.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 220256205 is about 14841.0311299451. The cubic root of 220256205 is about 603.9153253594.

The spelling of 220256205 in words is "two hundred twenty million, two hundred fifty-six thousand, two hundred five".

Divisors: 1 3 5 13 15 39 65 195 1129519 3388557 5647595 14683747 16942785 44051241 73418735 220256205