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206944064 = 2623140587
BaseRepresentation
bin11000101010110…
…11011101000000
3112102101211212222
430111123131000
5410434202224
632311310212
75061665315
oct1425333500
9472354788
10206944064
11a68a6158
125937b368
1333b48c12
141d6acd0c
151327bb5e
hexc55b740

206944064 has 28 divisors (see below), whose sum is σ = 428512224. Its totient is φ = 98972544.

The previous prime is 206944061. The next prime is 206944069. The reversal of 206944064 is 460449602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206944061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68822 + ... + 71765.

It is an arithmetic number, because the mean of its divisors is an integer number (15304008).

Almost surely, 2206944064 is an apocalyptic number.

It is an amenable number.

206944064 is an abundant number, since it is smaller than the sum of its proper divisors (221568160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206944064 is a wasteful number, since it uses less digits than its factorization.

206944064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140622 (or 140612 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 206944064 is about 14385.5505282210. The cubic root of 206944064 is about 591.4948820162.

The spelling of 206944064 in words is "two hundred six million, nine hundred forty-four thousand, sixty-four".

Divisors: 1 2 4 8 16 23 32 46 64 92 184 368 736 1472 140587 281174 562348 1124696 2249392 3233501 4498784 6467002 8997568 12934004 25868008 51736016 103472032 206944064