| Base | Representation |
|---|---|
| bin | 100100111110101… |
| … | …001111000100100 |
| 3 | 1121020101210122120 |
| 4 | 210332221320210 |
| 5 | 2232310414020 |
| 6 | 141321225540 |
| 7 | 21242230530 |
| oct | 4476517044 |
| 9 | 1536353576 |
| 10 | 620404260 |
| 11 | 2992249a3 |
| 12 | 1539322b0 |
| 13 | 9b6c1018 |
| 14 | 5c578bc0 |
| 15 | 396ed740 |
| hex | 24fa9e24 |
620404260 has 96 divisors (see below), whose sum is σ = 1999764480. Its totient is φ = 140773248.
The previous prime is 620404237. The next prime is 620404261. The reversal of 620404260 is 62404026.
620404260 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 2×6204042602 = 769802891652295200, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 620404260.
It is not an unprimeable number, because it can be changed into a prime (620404261) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53067 + ... + 63693.
It is an arithmetic number, because the mean of its divisors is an integer number (20830880).
Almost surely, 2620404260 is an apocalyptic number.
620404260 is a gapful number since it is divisible by the number (60) 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 620404260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (999882240).
620404260 is an abundant number, since it is smaller than the sum of its proper divisors (1379360220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
620404260 is a wasteful number, since it uses less digits than its factorization.
620404260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10785 (or 10783 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 24.
The square root of 620404260 is about 24907.9156092998. The cubic root of 620404260 is about 852.8871877772.
Adding to 620404260 its reverse (62404026), we get a palindrome (682808286).
The spelling of 620404260 in words is "six hundred twenty million, four hundred four thousand, two hundred sixty".
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