Base | Representation |
---|---|
bin | 100100101010001… |
… | …0110111001101010 |
3 | 10011201121012112221 |
4 | 1021110112321222 |
5 | 10004344322300 |
6 | 322020424254 |
7 | 42324310654 |
oct | 11124267152 |
9 | 3151535487 |
10 | 1230073450 |
11 | 581387431 |
12 | 2a3b4808a |
13 | 167ac3a18 |
14 | b951b6d4 |
15 | 72ecb31a |
hex | 49516e6a |
1230073450 has 48 divisors (see below), whose sum is σ = 2343600000. Its totient is φ = 480205440.
The previous prime is 1230073447. The next prime is 1230073451. The reversal of 1230073450 is 543700321.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is not an unprimeable number, because it can be changed into a prime (1230073451) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 349801 + ... + 353299.
It is an arithmetic number, because the mean of its divisors is an integer number (48825000).
Almost surely, 21230073450 is an apocalyptic number.
1230073450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1230073450 is a deficient number, since it is larger than the sum of its proper divisors (1113526550).
1230073450 is a wasteful number, since it uses less digits than its factorization.
1230073450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3679 (or 3674 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 25.
The square root of 1230073450 is about 35072.4029687160. The cubic root of 1230073450 is about 1071.4625964644.
Adding to 1230073450 its reverse (543700321), we get a palindrome (1773773771).
The spelling of 1230073450 in words is "one billion, two hundred thirty million, seventy-three thousand, four hundred fifty".
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