| Base | Representation |
|---|---|
| bin | 1001000001001101… |
| … | …1101111100111000 |
| 3 | 20020201120200112202 |
| 4 | 2100103131330320 |
| 5 | 14424240210040 |
| 6 | 1040122525332 |
| 7 | 113665231460 |
| oct | 22023357470 |
| 9 | 6221520482 |
| 10 | 2421022520 |
| 11 | 1032671064 |
| 12 | 576966848 |
| 13 | 2c7769607 |
| 14 | 18d772ba0 |
| 15 | e282a015 |
| hex | 904ddf38 |
2421022520 has 128 divisors (see below), whose sum is σ = 6398092800. Its totient is φ = 807360000.
The previous prime is 2421022511. The next prime is 2421022543. The reversal of 2421022520 is 252201242.
2421022520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×24210225202 = 11722700084694300800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 2421022492 and 2421022501.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1667795 + ... + 1669245.
It is an arithmetic number, because the mean of its divisors is an integer number (49985100).
Almost surely, 22421022520 is an apocalyptic number.
2421022520 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 2421022520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3199046400).
2421022520 is an abundant number, since it is smaller than the sum of its proper divisors (3977070280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2421022520 is a wasteful number, since it uses less digits than its factorization.
2421022520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1629 (or 1625 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 20.
The square root of 2421022520 is about 49203.8872448102. The cubic root of 2421022520 is about 1342.7637545049.
Adding to 2421022520 its reverse (252201242), we get a palindrome (2673223762).
The spelling of 2421022520 in words is "two billion, four hundred twenty-one million, twenty-two thousand, five hundred twenty".
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