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204973211 = 1316412441
BaseRepresentation
bin11000011011110…
…10010010011011
3112021200201101102
430031322102123
5404433120321
632201142015
75036146352
oct1415722233
9467621342
10204973211
11a577a453
125878a90b
1333608b31
141d318999
1512edcc0b
hexc37a49b

204973211 has 8 divisors (see below), whose sum is σ = 206944848. Its totient is φ = 203008000.

The previous prime is 204973187. The next prime is 204973243. The reversal of 204973211 is 112379402.

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-204973211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204973291) 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, 82751 + ... + 85191.

It is an arithmetic number, because the mean of its divisors is an integer number (25868106).

Almost surely, 2204973211 is an apocalyptic number.

204973211 is a deficient number, since it is larger than the sum of its proper divisors (1971637).

204973211 is a wasteful number, since it uses less digits than its factorization.

204973211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 204973211 is about 14316.8855202520. The cubic root of 204973211 is about 589.6111686803.

The spelling of 204973211 in words is "two hundred four million, nine hundred seventy-three thousand, two hundred eleven".

Divisors: 1 131 641 2441 83971 319771 1564681 204973211