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212803064 = 2326600383
BaseRepresentation
bin11001010111100…
…01110111111000
3112211102111220222
430223301313320
5413434144224
633041035212
75162540045
oct1453616770
9484374828
10212803064
11aa138101
125b325b08
133511a996
14203961cc
1513a37b5e
hexcaf1df8

212803064 has 8 divisors (see below), whose sum is σ = 399005760. Its totient is φ = 106401528.

The previous prime is 212803049. The next prime is 212803067. The reversal of 212803064 is 460308212.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212803067) 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 as a sum of consecutive naturals, namely, 13300184 + ... + 13300199.

It is an arithmetic number, because the mean of its divisors is an integer number (49875720).

Almost surely, 2212803064 is an apocalyptic number.

It is an amenable number.

212803064 is a deficient number, since it is larger than the sum of its proper divisors (186202696).

212803064 is a wasteful number, since it uses less digits than its factorization.

212803064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26600389 (or 26600385 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 212803064 is about 14587.7710428975. The cubic root of 212803064 is about 597.0251488854.

The spelling of 212803064 in words is "two hundred twelve million, eight hundred three thousand, sixty-four".

Divisors: 1 2 4 8 26600383 53200766 106401532 212803064