Base | Representation |
---|---|
bin | 101100001000… |
… | …1111110101110 |
3 | 1121112202021220 |
4 | 1120101332232 |
5 | 21411023233 |
6 | 2144004210 |
7 | 400464213 |
oct | 130217656 |
9 | 47482256 |
10 | 23142318 |
11 | 12077191 |
12 | 7900666 |
13 | 4a437a4 |
14 | 3105b0a |
15 | 2071eb3 |
hex | 1611fae |
23142318 has 8 divisors (see below), whose sum is σ = 46284648. Its totient is φ = 7714104.
The previous prime is 23142313. The next prime is 23142331. The reversal of 23142318 is 81324132.
It is a sphenic number, since it is the product of 3 distinct primes.
23142318 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23142311) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1928521 + ... + 1928532.
It is an arithmetic number, because the mean of its divisors is an integer number (5785581).
Almost surely, 223142318 is an apocalyptic number.
23142318 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23142318 is a wasteful number, since it uses less digits than its factorization.
23142318 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3857058.
The product of its digits is 1152, while the sum is 24.
The square root of 23142318 is about 4810.6463183236. The cubic root of 23142318 is about 284.9720625123.
It can be divided in two parts, 231423 and 18, that multiplied together give a palindrome (4165614).
The spelling of 23142318 in words is "twenty-three million, one hundred forty-two thousand, three hundred eighteen".
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