Base | Representation |
---|---|
bin | 101100001001… |
… | …0000000110010 |
3 | 1121112202110210 |
4 | 1120102000302 |
5 | 21411024300 |
6 | 2144004550 |
7 | 400464462 |
oct | 130220062 |
9 | 47482423 |
10 | 23142450 |
11 | 120772a1 |
12 | 7900756 |
13 | 4a43876 |
14 | 3105ba2 |
15 | 2072050 |
hex | 1612032 |
23142450 has 96 divisors (see below), whose sum is σ = 60746112. Its totient is φ = 5824000.
The previous prime is 23142421. The next prime is 23142463. The reversal of 23142450 is 5424132.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 325915 + ... + 325985.
It is an arithmetic number, because the mean of its divisors is an integer number (632772).
Almost surely, 223142450 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23142450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30373056).
23142450 is an abundant number, since it is smaller than the sum of its proper divisors (37603662).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23142450 is a wasteful number, since it uses less digits than its factorization.
23142450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 180 (or 175 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 21.
The square root of 23142450 is about 4810.6600378742. The cubic root of 23142450 is about 284.9726043227.
Adding to 23142450 its reverse (5424132), we get a palindrome (28566582).
The spelling of 23142450 in words is "twenty-three million, one hundred forty-two thousand, four hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •