Base | Representation |
---|---|
bin | 11001011110110… |
… | …10010110001011 |
3 | 112220012220010001 |
4 | 30233122112023 |
5 | 414210132100 |
6 | 33113303431 |
7 | 5203614136 |
oct | 1457322613 |
9 | 486186101 |
10 | 213755275 |
11 | aa728558 |
12 | 5b704b77 |
13 | 35392216 |
14 | 2056321d |
15 | 13b74d6a |
hex | cbda58b |
213755275 has 6 divisors (see below), whose sum is σ = 265056572. Its totient is φ = 171004200.
The previous prime is 213755273. The next prime is 213755293. The reversal of 213755275 is 572557312.
It is not a de Polignac number, because 213755275 - 21 = 213755273 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (213755273) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4275081 + ... + 4275130.
Almost surely, 2213755275 is an apocalyptic number.
213755275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
213755275 is a deficient number, since it is larger than the sum of its proper divisors (51301297).
213755275 is an equidigital number, since it uses as much as digits as its factorization.
213755275 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8550221 (or 8550216 counting only the distinct ones).
The product of its digits is 73500, while the sum is 37.
The square root of 213755275 is about 14620.3719172940. The cubic root of 213755275 is about 597.9143091496.
The spelling of 213755275 in words is "two hundred thirteen million, seven hundred fifty-five thousand, two hundred seventy-five".
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