Base | Representation |
---|---|
bin | 11001101001000… |
… | …00110000001001 |
3 | 112222201211002000 |
4 | 30310200300021 |
5 | 420030422413 |
6 | 33202101213 |
7 | 5221153026 |
oct | 1464406011 |
9 | 488654060 |
10 | 215092233 |
11 | 100460a84 |
12 | 6004a809 |
13 | 3573c915 |
14 | 207d054d |
15 | 13d3b073 |
hex | cd20c09 |
215092233 has 8 divisors (see below), whose sum is σ = 318655200. Its totient is φ = 143394804.
The previous prime is 215092231. The next prime is 215092247. The reversal of 215092233 is 332290512.
It is not a de Polignac number, because 215092233 - 21 = 215092231 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 7966379 = 215092233 / (2 + 1 + 5 + 0 + 9 + 2 + 2 + 3 + 3).
It is a junction number, because it is equal to n+sod(n) for n = 215092197 and 215092206.
It is not an unprimeable number, because it can be changed into a prime (215092231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3983163 + ... + 3983216.
It is an arithmetic number, because the mean of its divisors is an integer number (39831900).
Almost surely, 2215092233 is an apocalyptic number.
It is an amenable number.
215092233 is a deficient number, since it is larger than the sum of its proper divisors (103562967).
215092233 is an equidigital number, since it uses as much as digits as its factorization.
215092233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7966388 (or 7966382 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 27.
The square root of 215092233 is about 14666.0230805764. The cubic root of 215092233 is about 599.1582947727.
The spelling of 215092233 in words is "two hundred fifteen million, ninety-two thousand, two hundred thirty-three".
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