Base | Representation |
---|---|
bin | 101100000100… |
… | …0100011011001 |
3 | 1121110210022210 |
4 | 1120020203121 |
5 | 21403304310 |
6 | 2143105333 |
7 | 400243512 |
oct | 130104331 |
9 | 47423283 |
10 | 23103705 |
11 | 12050179 |
12 | 78a2249 |
13 | 4a2c041 |
14 | 30d5a09 |
15 | 2065820 |
hex | 16088d9 |
23103705 has 16 divisors (see below), whose sum is σ = 37868544. Its totient is φ = 12021120.
The previous prime is 23103671. The next prime is 23103719. The reversal of 23103705 is 50730132.
It is a happy number.
It is not a de Polignac number, because 23103705 - 29 = 23103193 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18169 + ... + 19398.
It is an arithmetic number, because the mean of its divisors is an integer number (2366784).
Almost surely, 223103705 is an apocalyptic number.
It is an amenable number.
23103705 is a deficient number, since it is larger than the sum of its proper divisors (14764839).
23103705 is a wasteful number, since it uses less digits than its factorization.
23103705 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37616.
The product of its (nonzero) digits is 630, while the sum is 21.
The square root of 23103705 is about 4806.6313567820. The cubic root of 23103705 is about 284.8134821462.
Adding to 23103705 its reverse (50730132), we get a palindrome (73833837).
The spelling of 23103705 in words is "twenty-three million, one hundred three thousand, seven hundred five".
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