Base | Representation |
---|---|
bin | 101101100100… |
… | …1101110001011 |
3 | 1122221222200011 |
4 | 1123021232023 |
5 | 22104114143 |
6 | 2212052351 |
7 | 410050333 |
oct | 133115613 |
9 | 48858604 |
10 | 23894923 |
11 | 12540678 |
12 | 80040b7 |
13 | 4c48210 |
14 | 32600c3 |
15 | 216ee9d |
hex | 16c9b8b |
23894923 has 16 divisors (see below), whose sum is σ = 26643456. Its totient is φ = 21288960.
The previous prime is 23894921. The next prime is 23894957. The reversal of 23894923 is 32949832.
23894923 = T312 + T313 + ... + T557.
It is a cyclic number.
It is not a de Polignac number, because 23894923 - 21 = 23894921 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23894921) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67515 + ... + 67867.
It is an arithmetic number, because the mean of its divisors is an integer number (1665216).
Almost surely, 223894923 is an apocalyptic number.
23894923 is a deficient number, since it is larger than the sum of its proper divisors (2748533).
23894923 is a wasteful number, since it uses less digits than its factorization.
23894923 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 534.
The product of its digits is 93312, while the sum is 40.
The square root of 23894923 is about 4888.2433450065. The cubic root of 23894923 is about 288.0283336000.
The spelling of 23894923 in words is "twenty-three million, eight hundred ninety-four thousand, nine hundred twenty-three".
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