Base | Representation |
---|---|
bin | 101100011101… |
… | …1011011101101 |
3 | 1121212101012110 |
4 | 1120323123231 |
5 | 21431441414 |
6 | 2151354233 |
7 | 402102222 |
oct | 130733355 |
9 | 47771173 |
10 | 23312109 |
11 | 12182807 |
12 | 7982979 |
13 | 4aa2b62 |
14 | 314b949 |
15 | 20a7459 |
hex | 163b6ed |
23312109 has 8 divisors (see below), whose sum is σ = 31923040. Its totient is φ = 15121296.
The previous prime is 23312101. The next prime is 23312119. The reversal of 23312109 is 90121332.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23312109 - 23 = 23312101 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23312101) 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, 104899 + ... + 105120.
It is an arithmetic number, because the mean of its divisors is an integer number (3990380).
Almost surely, 223312109 is an apocalyptic number.
It is an amenable number.
23312109 is a deficient number, since it is larger than the sum of its proper divisors (8610931).
23312109 is a wasteful number, since it uses less digits than its factorization.
23312109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 210059.
The product of its (nonzero) digits is 324, while the sum is 21.
The square root of 23312109 is about 4828.2614883620. The cubic root of 23312109 is about 285.6672944980.
The spelling of 23312109 in words is "twenty-three million, three hundred twelve thousand, one hundred nine".
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