Base | Representation |
---|---|
bin | 101011111001… |
… | …1010111001101 |
3 | 1121022101021010 |
4 | 1113303113031 |
5 | 21343020114 |
6 | 2141155433 |
7 | 366432456 |
oct | 127632715 |
9 | 47271233 |
10 | 23016909 |
11 | 11aa0a43 |
12 | 785bb79 |
13 | 49cb696 |
14 | 30b212d |
15 | 2049c59 |
hex | 15f35cd |
23016909 has 8 divisors (see below), whose sum is σ = 30712192. Its totient is φ = 15333120.
The previous prime is 23016907. The next prime is 23016941. The reversal of 23016909 is 90961032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23016909 - 21 = 23016907 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23016907) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4524 + ... + 8154.
It is an arithmetic number, because the mean of its divisors is an integer number (3839024).
Almost surely, 223016909 is an apocalyptic number.
It is an amenable number.
23016909 is a deficient number, since it is larger than the sum of its proper divisors (7695283).
23016909 is a wasteful number, since it uses less digits than its factorization.
23016909 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5747.
The product of its (nonzero) digits is 2916, while the sum is 30.
The square root of 23016909 is about 4797.5940845386. The cubic root of 23016909 is about 284.4563721409.
The spelling of 23016909 in words is "twenty-three million, sixteen thousand, nine hundred nine".
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