Base | Representation |
---|---|
bin | 100100101010101… |
… | …1011011001101110 |
3 | 10011202010110102210 |
4 | 1021111123121232 |
5 | 10004432312110 |
6 | 322030431250 |
7 | 42326556663 |
oct | 11125333156 |
9 | 3152113383 |
10 | 1230354030 |
11 | 581559214 |
12 | 2a4062526 |
13 | 167b91649 |
14 | b9591a6a |
15 | 73034520 |
hex | 4955b66e |
1230354030 has 64 divisors (see below), whose sum is σ = 3004646400. Its totient is φ = 322371840.
The previous prime is 1230354001. The next prime is 1230354043. The reversal of 1230354030 is 304530321.
It is a junction number, because it is equal to n+sod(n) for n = 1230353988 and 1230354006.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 763866 + ... + 765474.
It is an arithmetic number, because the mean of its divisors is an integer number (46947600).
Almost surely, 21230354030 is an apocalyptic number.
1230354030 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 1230354030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1502323200).
1230354030 is an abundant number, since it is smaller than the sum of its proper divisors (1774292370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230354030 is a wasteful number, since it uses less digits than its factorization.
1230354030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2049.
The product of its (nonzero) digits is 1080, while the sum is 21.
The square root of 1230354030 is about 35076.4027517076. The cubic root of 1230354030 is about 1071.5440572152.
Adding to 1230354030 its reverse (304530321), we get a palindrome (1534884351).
The spelling of 1230354030 in words is "one billion, two hundred thirty million, three hundred fifty-four thousand, thirty".
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