Base | Representation |
---|---|
bin | 1010100001000101… |
… | …0010001100001000 |
3 | 21021202011111121021 |
4 | 2220101102030020 |
5 | 21240203300430 |
6 | 1144044522224 |
7 | 126646660456 |
oct | 25021221410 |
9 | 7252144537 |
10 | 2823103240 |
11 | 1219628281 |
12 | 669550374 |
13 | 35cb58cb9 |
14 | 1cad199d6 |
15 | 117ca007a |
hex | a8452308 |
2823103240 has 16 divisors (see below), whose sum is σ = 6351982380. Its totient is φ = 1129241280.
The previous prime is 2823103211. The next prime is 2823103243. The reversal of 2823103240 is 423013282.
It can be written as a sum of positive squares in 2 ways, for example, as 2298051844 + 525051396 = 47938^2 + 22914^2 .
It is not an unprimeable number, because it can be changed into a prime (2823103243) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35288751 + ... + 35288830.
Almost surely, 22823103240 is an apocalyptic number.
2823103240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2823103240 is an abundant number, since it is smaller than the sum of its proper divisors (3528879140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2823103240 is a wasteful number, since it uses less digits than its factorization.
2823103240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70577592 (or 70577588 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 25.
The square root of 2823103240 is about 53132.8828504534. The cubic root of 2823103240 is about 1413.3256909420.
The spelling of 2823103240 in words is "two billion, eight hundred twenty-three million, one hundred three thousand, two hundred forty".
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