Base | Representation |
---|---|
bin | 101011111110… |
… | …0011010111111 |
3 | 1121101021011102 |
4 | 1113330122333 |
5 | 21400212030 |
6 | 2142043315 |
7 | 366645605 |
oct | 127743277 |
9 | 47337142 |
10 | 23054015 |
11 | 12016906 |
12 | 787953b |
13 | 4a1253a |
14 | 30c1875 |
15 | 2055c45 |
hex | 15fc6bf |
23054015 has 8 divisors (see below), whose sum is σ = 27755088. Its totient is φ = 18383040.
The previous prime is 23053991. The next prime is 23054021. The reversal of 23054015 is 51045032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23054015 - 212 = 23049919 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 7 ways as a sum of consecutive naturals, for example, 5801 + ... + 8930.
It is an arithmetic number, because the mean of its divisors is an integer number (3469386).
Almost surely, 223054015 is an apocalyptic number.
23054015 is a deficient number, since it is larger than the sum of its proper divisors (4701073).
23054015 is a wasteful number, since it uses less digits than its factorization.
23054015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15049.
The product of its (nonzero) digits is 600, while the sum is 20.
The square root of 23054015 is about 4801.4596738908. The cubic root of 23054015 is about 284.6091492612.
Adding to 23054015 its reverse (51045032), we get a palindrome (74099047).
It can be divided in two parts, 230 and 54015, that added together give a palindrome (54245).
The spelling of 23054015 in words is "twenty-three million, fifty-four thousand, fifteen".
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