Base | Representation |
---|---|
bin | 11100000010100… |
… | …01100101101111 |
3 | 121101121011121122 |
4 | 32001101211233 |
5 | 440203341330 |
6 | 35201251155 |
7 | 5554203434 |
oct | 1601214557 |
9 | 541534548 |
10 | 235215215 |
11 | 110855744 |
12 | 66933abb |
13 | 39967001 |
14 | 2334bb8b |
15 | 159b35e5 |
hex | e05196f |
235215215 has 4 divisors (see below), whose sum is σ = 282258264. Its totient is φ = 188172168.
The previous prime is 235215191. The next prime is 235215221. The reversal of 235215215 is 512512532.
235215215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 235215215 - 216 = 235149679 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23521517 + ... + 23521526.
It is an arithmetic number, because the mean of its divisors is an integer number (70564566).
Almost surely, 2235215215 is an apocalyptic number.
235215215 is a deficient number, since it is larger than the sum of its proper divisors (47043049).
235215215 is an equidigital number, since it uses as much as digits as its factorization.
235215215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47043048.
The product of its digits is 3000, while the sum is 26.
The square root of 235215215 is about 15336.7276496650. The cubic root of 235215215 is about 617.2889037871.
Adding to 235215215 its reverse (512512532), we get a palindrome (747727747).
The spelling of 235215215 in words is "two hundred thirty-five million, two hundred fifteen thousand, two hundred fifteen".
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