Base | Representation |
---|---|
bin | 100100101110010… |
… | …0001010110011000 |
3 | 10011212121221000100 |
4 | 1021130201112120 |
5 | 10010421312100 |
6 | 322134335400 |
7 | 42351432615 |
oct | 11134412630 |
9 | 3155557010 |
10 | 1232213400 |
11 | 582609190 |
12 | 2a47ba560 |
13 | 168392a72 |
14 | b991750c |
15 | 732a0400 |
hex | 49721598 |
1232213400 has 144 divisors (see below), whose sum is σ = 4514454360. Its totient is φ = 298713600.
The previous prime is 1232213399. The next prime is 1232213447. The reversal of 1232213400 is 43122321.
1232213400 is a `hidden beast` number, since 1 + 2 + 322 + 1 + 340 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11317 + ... + 50916.
Almost surely, 21232213400 is an apocalyptic number.
1232213400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1232213400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2257227180).
1232213400 is an abundant number, since it is smaller than the sum of its proper divisors (3282240960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1232213400 is a wasteful number, since it uses less digits than its factorization.
1232213400 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62266 (or 62254 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 1232213400 is about 35102.8973163185. The cubic root of 1232213400 is about 1072.0835751096.
Adding to 1232213400 its reverse (43122321), we get a palindrome (1275335721).
It can be divided in two parts, 123221 and 3400, that added together give a palindrome (126621).
The spelling of 1232213400 in words is "one billion, two hundred thirty-two million, two hundred thirteen thousand, four hundred".
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