Base | Representation |
---|---|
bin | 11001011011000… |
… | …00101101000011 |
3 | 112212021120122102 |
4 | 30231200231003 |
5 | 414043211102 |
6 | 33054501015 |
7 | 5166440414 |
oct | 1455405503 |
9 | 485246572 |
10 | 213257027 |
11 | aa418185 |
12 | 5b50476b |
13 | 352494b9 |
14 | 2047380b |
15 | 13ac7402 |
hex | cb60b43 |
213257027 has 8 divisors (see below), whose sum is σ = 226281600. Its totient is φ = 200285824.
The previous prime is 213257021. The next prime is 213257059. The reversal of 213257027 is 720752312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 213257027 - 210 = 213256003 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (213257021) 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 7 ways as a sum of consecutive naturals, for example, 4952 + ... + 21237.
It is an arithmetic number, because the mean of its divisors is an integer number (28285200).
Almost surely, 2213257027 is an apocalyptic number.
213257027 is a deficient number, since it is larger than the sum of its proper divisors (13024573).
213257027 is a wasteful number, since it uses less digits than its factorization.
213257027 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26685.
The product of its (nonzero) digits is 5880, while the sum is 29.
The square root of 213257027 is about 14603.3224644257. The cubic root of 213257027 is about 597.4493828026.
The spelling of 213257027 in words is "two hundred thirteen million, two hundred fifty-seven thousand, twenty-seven".
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