Base | Representation |
---|---|
bin | 11001101001000… |
… | …01000001010001 |
3 | 112222201212120121 |
4 | 30310201001101 |
5 | 420030441304 |
6 | 33202110241 |
7 | 5221156153 |
oct | 1464410121 |
9 | 488655517 |
10 | 215093329 |
11 | 100461890 |
12 | 6004b381 |
13 | 35740279 |
14 | 207d0ad3 |
15 | 13d3b554 |
hex | cd21051 |
215093329 has 16 divisors (see below), whose sum is σ = 238492800. Its totient is φ = 192360960.
The previous prime is 215093327. The next prime is 215093369. The reversal of 215093329 is 923390512.
It is not a de Polignac number, because 215093329 - 21 = 215093327 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 215093294 and 215093303.
It is not an unprimeable number, because it can be changed into a prime (215093327) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211827 + ... + 212839.
It is an arithmetic number, because the mean of its divisors is an integer number (14905800).
Almost surely, 2215093329 is an apocalyptic number.
It is an amenable number.
215093329 is a deficient number, since it is larger than the sum of its proper divisors (23399471).
215093329 is a wasteful number, since it uses less digits than its factorization.
215093329 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1320.
The product of its (nonzero) digits is 14580, while the sum is 34.
The square root of 215093329 is about 14666.0604458048. The cubic root of 215093329 is about 599.1593124390.
The spelling of 215093329 in words is "two hundred fifteen million, ninety-three thousand, three hundred twenty-nine".
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