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2209064 = 2311131931
BaseRepresentation
bin1000011011010100101000
311011020021012
420123110220
51031142224
6115203052
724530264
oct10332450
94136235
102209064
111279780
128a6488
135c4650
144170a4
152d980e
hex21b528

2209064 has 32 divisors (see below), whose sum is σ = 4868640. Its totient is φ = 926400.

The previous prime is 2209063. The next prime is 2209079. The reversal of 2209064 is 4609022.

2209064 = T417 + T418 + ... + T440.

It is not an unprimeable number, because it can be changed into a prime (2209061) 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, 179 + ... + 2109.

It is an arithmetic number, because the mean of its divisors is an integer number (152145).

22209064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2209064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2434320).

2209064 is an abundant number, since it is smaller than the sum of its proper divisors (2659576).

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

2209064 is a wasteful number, since it uses less digits than its factorization.

2209064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961 (or 1957 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2209064 is about 1486.2920305243. The cubic root of 2209064 is about 130.2375145064.

The spelling of 2209064 in words is "two million, two hundred nine thousand, sixty-four".

Divisors: 1 2 4 8 11 13 22 26 44 52 88 104 143 286 572 1144 1931 3862 7724 15448 21241 25103 42482 50206 84964 100412 169928 200824 276133 552266 1104532 2209064