Base | Representation |
---|---|
bin | 11001100000100… |
… | …11100011100111 |
3 | 112220122210120000 |
4 | 30300103203213 |
5 | 414240131412 |
6 | 33122312343 |
7 | 5205611256 |
oct | 1460234347 |
9 | 486583500 |
10 | 213989607 |
11 | aa878617 |
12 | 5b7b86b3 |
13 | 35444a90 |
14 | 205c479d |
15 | 13bbe4dc |
hex | cc138e7 |
213989607 has 40 divisors (see below), whose sum is σ = 347771424. Its totient is φ = 130341312.
The previous prime is 213989599. The next prime is 213989623. The reversal of 213989607 is 706989312.
213989607 is a `hidden beast` number, since 2 + 1 + 39 + 8 + 9 + 607 = 666.
213989607 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 213989607 - 23 = 213989599 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213989507) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 107473 + ... + 109445.
Almost surely, 2213989607 is an apocalyptic number.
213989607 is a gapful number since it is divisible by the number (27) formed by its first and last digit.
213989607 is a deficient number, since it is larger than the sum of its proper divisors (133781817).
213989607 is a wasteful number, since it uses less digits than its factorization.
213989607 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2101 (or 2092 counting only the distinct ones).
The product of its (nonzero) digits is 163296, while the sum is 45.
The square root of 213989607 is about 14628.3836085878. The cubic root of 213989607 is about 598.1327198029.
The spelling of 213989607 in words is "two hundred thirteen million, nine hundred eighty-nine thousand, six hundred seven".
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