Base | Representation |
---|---|
bin | 101100101110… |
… | …1010001010001 |
3 | 1122010102022122 |
4 | 1121131101101 |
5 | 22000410310 |
6 | 2154344025 |
7 | 403220255 |
oct | 131352121 |
9 | 48112278 |
10 | 23450705 |
11 | 12267953 |
12 | 7a2b015 |
13 | 4b20c75 |
14 | 3186265 |
15 | 20d3555 |
hex | 165d451 |
23450705 has 8 divisors (see below), whose sum is σ = 29111400. Its totient is φ = 18113536.
The previous prime is 23450681. The next prime is 23450719. The reversal of 23450705 is 50705432.
It can be written as a sum of positive squares in 4 ways, for example, as 3083536 + 20367169 = 1756^2 + 4513^2 .
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 23450705 - 212 = 23446609 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Curzon 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, 80720 + ... + 81009.
It is an arithmetic number, because the mean of its divisors is an integer number (3638925).
Almost surely, 223450705 is an apocalyptic number.
It is an amenable number.
23450705 is a deficient number, since it is larger than the sum of its proper divisors (5660695).
23450705 is a wasteful number, since it uses less digits than its factorization.
23450705 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 161763.
The product of its (nonzero) digits is 4200, while the sum is 26.
The square root of 23450705 is about 4842.5927972523. The cubic root of 23450705 is about 286.2322961534.
The spelling of 23450705 in words is "twenty-three million, four hundred fifty thousand, seven hundred five".
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