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3205305223 = 277101311423
BaseRepresentation
bin1011111100001101…
…0001001110000111
322021101100101011021
42333003101032013
523031024231343
61250020452011
7142300434121
oct27703211607
98241311137
103205305223
1113a534728a
1275554a007
133c10a8513
142259aa211
1513b5ea0ed
hexbf0d1387

3205305223 has 8 divisors (see below), whose sum is σ = 3220334208. Its totient is φ = 3190301664.

The previous prime is 3205305211. The next prime is 3205305283. The reversal of 3205305223 is 3225035023.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3205305223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3205305283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274890 + ... + 286312.

It is an arithmetic number, because the mean of its divisors is an integer number (402541776).

Almost surely, 23205305223 is an apocalyptic number.

3205305223 is a deficient number, since it is larger than the sum of its proper divisors (15028985).

3205305223 is a wasteful number, since it uses less digits than its factorization.

3205305223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12713.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 3205305223 is about 56615.4150651569. The cubic root of 3205305223 is about 1474.4265085266.

The spelling of 3205305223 in words is "three billion, two hundred five million, three hundred five thousand, two hundred twenty-three".

Divisors: 1 277 1013 11423 280601 3164171 11571499 3205305223