Base | Representation |
---|---|
bin | 11001101000101… |
… | …01010100111011 |
3 | 112222122102212202 |
4 | 30310111110323 |
5 | 420022423220 |
6 | 33201100415 |
7 | 5220566423 |
oct | 1464252473 |
9 | 488572782 |
10 | 215045435 |
11 | 100429900 |
12 | 6002770b |
13 | 35724527 |
14 | 207bb483 |
15 | 13d2c275 |
hex | cd1553b |
215045435 has 24 divisors (see below), whose sum is σ = 288346128. Its totient is φ = 153806400.
The previous prime is 215045387. The next prime is 215045491. The reversal of 215045435 is 534540512.
It is not a de Polignac number, because 215045435 - 212 = 215041339 is a prime.
It is a super-2 number, since 2×2150454352 = 92489078228678450, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 215045398 and 215045407.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33992 + ... + 39818.
It is an arithmetic number, because the mean of its divisors is an integer number (12014422).
Almost surely, 2215045435 is an apocalyptic number.
215045435 is a deficient number, since it is larger than the sum of its proper divisors (73300693).
215045435 is a wasteful number, since it uses less digits than its factorization.
215045435 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5915 (or 5904 counting only the distinct ones).
The product of its (nonzero) digits is 12000, while the sum is 29.
The square root of 215045435 is about 14664.4275374117. The cubic root of 215045435 is about 599.1148383086.
Adding to 215045435 its reverse (534540512), we get a palindrome (749585947).
The spelling of 215045435 in words is "two hundred fifteen million, forty-five thousand, four hundred thirty-five".
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