Base | Representation |
---|---|
bin | 101111011001… |
… | …000100011010 |
3 | 212101011202210 |
4 | 233121010122 |
5 | 11140022300 |
6 | 1122135550 |
7 | 210411654 |
oct | 57310432 |
9 | 25334683 |
10 | 12423450 |
11 | 7015a16 |
12 | 41b15b6 |
13 | 275c970 |
14 | 19156d4 |
15 | 1156050 |
hex | bd911a |
12423450 has 96 divisors (see below), whose sum is σ = 34747776. Its totient is φ = 2914560.
The previous prime is 12423409. The next prime is 12423457. The reversal of 12423450 is 5432421.
12423450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (12423457) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44712 + ... + 44988.
It is an arithmetic number, because the mean of its divisors is an integer number (361956).
Almost surely, 212423450 is an apocalyptic number.
12423450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 12423450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17373888).
12423450 is an abundant number, since it is smaller than the sum of its proper divisors (22324326).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12423450 is a wasteful number, since it uses less digits than its factorization.
12423450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 328 (or 323 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 21.
The square root of 12423450 is about 3524.6914758600. The cubic root of 12423450 is about 231.6047197919.
Adding to 12423450 its reverse (5432421), we get a palindrome (17855871).
It can be divided in two parts, 1242 and 3450, that multiplied together give a square (4284900 = 20702).
The spelling of 12423450 in words is "twelve million, four hundred twenty-three thousand, four hundred fifty".
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