Base | Representation |
---|---|
bin | 111101000000000… |
… | …111110001101110 |
3 | 2122022210020112101 |
4 | 331000013301232 |
5 | 4044000121110 |
6 | 245315525314 |
7 | 34235054002 |
oct | 7500076156 |
9 | 2568706471 |
10 | 1023442030 |
11 | 485785166 |
12 | 2468b983a |
13 | 134057200 |
14 | 99cd0702 |
15 | 5ecb213a |
hex | 3d007c6e |
1023442030 has 48 divisors (see below), whose sum is σ = 2099859120. Its totient is φ = 357986304.
The previous prime is 1023442027. The next prime is 1023442039. The reversal of 1023442030 is 302443201.
1023442030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a junction number, because it is equal to n+sod(n) for n = 1023441989 and 1023442007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1023442039) 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, 16174 + ... + 48046.
It is an arithmetic number, because the mean of its divisors is an integer number (43747065).
Almost surely, 21023442030 is an apocalyptic number.
1023442030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1023442030 is an abundant number, since it is smaller than the sum of its proper divisors (1076417090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1023442030 is a wasteful number, since it uses less digits than its factorization.
1023442030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31925 (or 31912 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 19.
The square root of 1023442030 is about 31991.2805307946. The cubic root of 1023442030 is about 1007.7537342198.
Adding to 1023442030 its reverse (302443201), we get a palindrome (1325885231).
The spelling of 1023442030 in words is "one billion, twenty-three million, four hundred forty-two thousand, thirty".
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