Base | Representation |
---|---|
bin | 11001100111111… |
… | …10111010001001 |
3 | 112222110202220210 |
4 | 30303332322021 |
5 | 420012003414 |
6 | 33155111333 |
7 | 5220034623 |
oct | 1463767211 |
9 | 488422823 |
10 | 214953609 |
11 | 100376912 |
12 | 5bba2549 |
13 | 356c17b0 |
14 | 20795c13 |
15 | 13d0ee59 |
hex | ccfee89 |
214953609 has 32 divisors (see below), whose sum is σ = 319131904. Its totient is φ = 127837440.
The previous prime is 214953587. The next prime is 214953617. The reversal of 214953609 is 906359412.
It is not a de Polignac number, because 214953609 - 29 = 214953097 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is not an unprimeable number, because it can be changed into a prime (214953619) 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 31 ways as a sum of consecutive naturals, for example, 260772 + ... + 261594.
It is an arithmetic number, because the mean of its divisors is an integer number (9972872).
Almost surely, 2214953609 is an apocalyptic number.
It is an amenable number.
214953609 is a deficient number, since it is larger than the sum of its proper divisors (104178295).
214953609 is a wasteful number, since it uses less digits than its factorization.
214953609 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1057.
The product of its (nonzero) digits is 58320, while the sum is 39.
The square root of 214953609 is about 14661.2962933023. The cubic root of 214953609 is about 599.0295506709.
The spelling of 214953609 in words is "two hundred fourteen million, nine hundred fifty-three thousand, six hundred nine".
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