Base | Representation |
---|---|
bin | 1000101000110111… |
… | …0111110110000100 |
3 | 12222121101221101110 |
4 | 2022031313312010 |
5 | 14222114024140 |
6 | 1022033525020 |
7 | 111315155205 |
oct | 21215676604 |
9 | 5877357343 |
10 | 2318892420 |
11 | a8aa55219 |
12 | 548713770 |
13 | 2ac55b3c0 |
14 | 17dd895ac |
15 | d88a4380 |
hex | 8a377d84 |
2318892420 has 48 divisors (see below), whose sum is σ = 6992354880. Its totient is φ = 570804096.
The previous prime is 2318892383. The next prime is 2318892427. The reversal of 2318892420 is 242988132.
2318892420 is digitally balanced in base 2 and base 4, because in such bases 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 (39).
It is not an unprimeable number, because it can be changed into a prime (2318892427) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1485690 + ... + 1487249.
It is an arithmetic number, because the mean of its divisors is an integer number (145674060).
Almost surely, 22318892420 is an apocalyptic number.
2318892420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2318892420 is an abundant number, since it is smaller than the sum of its proper divisors (4673462460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2318892420 is a wasteful number, since it uses less digits than its factorization.
2318892420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2972964 (or 2972962 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 39.
The square root of 2318892420 is about 48154.8795035353. The cubic root of 2318892420 is about 1323.6104897109.
The spelling of 2318892420 in words is "two billion, three hundred eighteen million, eight hundred ninety-two thousand, four hundred twenty".
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