Base | Representation |
---|---|
bin | 11001101011000… |
… | …11000110110111 |
3 | 120000020121220022 |
4 | 30311203012313 |
5 | 420113122043 |
6 | 33211555355 |
7 | 5223364310 |
oct | 1465430667 |
9 | 500217808 |
10 | 215364023 |
11 | 1006271a6 |
12 | 6015bb5b |
13 | 35806544 |
14 | 20861607 |
15 | 13d91868 |
hex | cd631b7 |
215364023 has 8 divisors (see below), whose sum is σ = 246268800. Its totient is φ = 184493880.
The previous prime is 215363999. The next prime is 215364043. The reversal of 215364023 is 320463512.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 215364023 - 28 = 215363767 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 215363983 and 215364001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (215364043) 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, 6428 + ... + 21726.
It is an arithmetic number, because the mean of its divisors is an integer number (30783600).
Almost surely, 2215364023 is an apocalyptic number.
215364023 is a deficient number, since it is larger than the sum of its proper divisors (30904777).
215364023 is a wasteful number, since it uses less digits than its factorization.
215364023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17317.
The product of its (nonzero) digits is 4320, while the sum is 26.
The square root of 215364023 is about 14675.2861300896. The cubic root of 215364023 is about 599.4105535184.
The spelling of 215364023 in words is "two hundred fifteen million, three hundred sixty-four thousand, twenty-three".
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