Base | Representation |
---|---|
bin | 101011111000… |
… | …1101001110011 |
3 | 1121022000122210 |
4 | 1113301221303 |
5 | 21342304112 |
6 | 2141103203 |
7 | 366403164 |
oct | 127615163 |
9 | 47260583 |
10 | 23009907 |
11 | 11a96758 |
12 | 7857b03 |
13 | 49c843b |
14 | 30ad76b |
15 | 2047b3c |
hex | 15f1a73 |
23009907 has 8 divisors (see below), whose sum is σ = 30713040. Its totient is φ = 15323360.
The previous prime is 23009887. The next prime is 23009911. The reversal of 23009907 is 70990032.
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 23009907 - 210 = 23008883 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23009927) 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, 432 + ... + 6797.
It is an arithmetic number, because the mean of its divisors is an integer number (3839130).
Almost surely, 223009907 is an apocalyptic number.
23009907 is a deficient number, since it is larger than the sum of its proper divisors (7703133).
23009907 is a wasteful number, since it uses less digits than its factorization.
23009907 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8293.
The product of its (nonzero) digits is 3402, while the sum is 30.
The square root of 23009907 is about 4796.8642882617. The cubic root of 23009907 is about 284.4275242836.
Adding to 23009907 its reverse (70990032), we get a palindrome (93999939).
The spelling of 23009907 in words is "twenty-three million, nine thousand, nine hundred seven".
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