Base | Representation |
---|---|
bin | 101100010001… |
… | …1101111000001 |
3 | 1121200110001100 |
4 | 1120203233001 |
5 | 21420340131 |
6 | 2145325013 |
7 | 401216223 |
oct | 130435701 |
9 | 47613040 |
10 | 23215041 |
11 | 12116893 |
12 | 7936769 |
13 | 4a6a915 |
14 | 3124413 |
15 | 20887e6 |
hex | 1623bc1 |
23215041 has 12 divisors (see below), whose sum is σ = 33847632. Its totient is φ = 15331416.
The previous prime is 23215009. The next prime is 23215079. The reversal of 23215041 is 14051232.
It is not a de Polignac number, because 23215041 - 25 = 23215009 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23215091) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11091 + ... + 13016.
It is an arithmetic number, because the mean of its divisors is an integer number (2820636).
Almost surely, 223215041 is an apocalyptic number.
It is an amenable number.
23215041 is a deficient number, since it is larger than the sum of its proper divisors (10632591).
23215041 is a wasteful number, since it uses less digits than its factorization.
23215041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24220 (or 24217 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 23215041 is about 4818.1989373624. The cubic root of 23215041 is about 285.2702515013.
Adding to 23215041 its reverse (14051232), we get a palindrome (37266273).
The spelling of 23215041 in words is "twenty-three million, two hundred fifteen thousand, forty-one".
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