Base | Representation |
---|---|
bin | 1001000001000100… |
… | …0110101101001100 |
3 | 20020200102012202022 |
4 | 2100101012231030 |
5 | 14424110344040 |
6 | 1040101345312 |
7 | 113660041400 |
oct | 22021065514 |
9 | 6220365668 |
10 | 2420403020 |
11 | 1032288682 |
12 | 576708238 |
13 | 2c75b0649 |
14 | 18d651100 |
15 | e27566b5 |
hex | 90446b4c |
2420403020 has 144 divisors (see below), whose sum is σ = 6165603360. Its totient is φ = 795110400.
The previous prime is 2420403019. The next prime is 2420403031. The reversal of 2420403020 is 203040242.
It is a self number, because there is not a number n which added to its sum of digits gives 2420403020.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2370110 + ... + 2371130.
It is an arithmetic number, because the mean of its divisors is an integer number (42816690).
Almost surely, 22420403020 is an apocalyptic number.
2420403020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2420403020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3082801680).
2420403020 is an abundant number, since it is smaller than the sum of its proper divisors (3745200340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2420403020 is a wasteful number, since it uses less digits than its factorization.
2420403020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1144 (or 1135 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 17.
The square root of 2420403020 is about 49197.5916077200. The cubic root of 2420403020 is about 1342.6492143191.
Adding to 2420403020 its reverse (203040242), we get a palindrome (2623443262).
The spelling of 2420403020 in words is "two billion, four hundred twenty million, four hundred three thousand, twenty".
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