Base | Representation |
---|---|
bin | 100001000010001… |
… | …1001111001101000 |
3 | 2212020202010210210 |
4 | 1002010121321220 |
5 | 4232230412140 |
6 | 301553541120 |
7 | 36316451223 |
oct | 10204317150 |
9 | 2766663723 |
10 | 1108450920 |
11 | 519767645 |
12 | 26b2747a0 |
13 | 14884c425 |
14 | a72dc5ba |
15 | 674a4d80 |
hex | 42119e68 |
1108450920 has 64 divisors (see below), whose sum is σ = 3351582720. Its totient is φ = 293255424.
The previous prime is 1108450919. The next prime is 1108450933. The reversal of 1108450920 is 290548011.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21127 + ... + 51606.
It is an arithmetic number, because the mean of its divisors is an integer number (52368480).
Almost surely, 21108450920 is an apocalyptic number.
1108450920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1108450920 is an abundant number, since it is smaller than the sum of its proper divisors (2243131800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1108450920 is a wasteful number, since it uses less digits than its factorization.
1108450920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72874 (or 72870 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 30.
The square root of 1108450920 is about 33293.4065544516. The cubic root of 1108450920 is about 1034.9169248824.
Adding to 1108450920 its reverse (290548011), we get a palindrome (1398998931).
The spelling of 1108450920 in words is "one billion, one hundred eight million, four hundred fifty thousand, nine hundred twenty".
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