Base | Representation |
---|---|
bin | 100000110010001… |
… | …0010000111101000 |
3 | 2211122220100002011 |
4 | 1001210102013220 |
5 | 4223101433230 |
6 | 301053245304 |
7 | 36155050555 |
oct | 10144220750 |
9 | 2748810064 |
10 | 1100030440 |
11 | 514a36173 |
12 | 268493834 |
13 | 146b917b2 |
14 | a6149a2c |
15 | 6688ee2a |
hex | 419121e8 |
1100030440 has 64 divisors (see below), whose sum is σ = 2509995600. Its totient is φ = 433840128.
The previous prime is 1100030431. The next prime is 1100030447. The reversal of 1100030440 is 440300011.
It can be written as a sum of positive squares in 8 ways, for example, as 367028964 + 733001476 = 19158^2 + 27074^2 .
It is a super-3 number, since 3×11000304403 (a number of 28 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1100030440.
It is not an unprimeable number, because it can be changed into a prime (1100030447) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1974642 + ... + 1975198.
Almost surely, 21100030440 is an apocalyptic number.
1100030440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1100030440 is an abundant number, since it is smaller than the sum of its proper divisors (1409965160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1100030440 is a wasteful number, since it uses less digits than its factorization.
1100030440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1174 (or 1170 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 1100030440 is about 33166.7068006457. The cubic root of 1100030440 is about 1032.2896373706.
Adding to 1100030440 its reverse (440300011), we get a palindrome (1540330451).
The spelling of 1100030440 in words is "one billion, one hundred million, thirty thousand, four hundred forty".
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