| Base | Representation |
|---|---|
| bin | 100101111011101… |
| … | …100100100101000 |
| 3 | 1122100111202222200 |
| 4 | 211323230210220 |
| 5 | 2300404443211 |
| 6 | 143052220200 |
| 7 | 21525235146 |
| oct | 4573544450 |
| 9 | 1570452880 |
| 10 | 636406056 |
| 11 | 2a7264320 |
| 12 | 15916a660 |
| 13 | a1b04640 |
| 14 | 60742596 |
| 15 | 3ad0eb56 |
| hex | 25eec928 |
636406056 has 192 divisors, whose sum is σ = 2046582720. Its totient is φ = 176117760.
The previous prime is 636406013. The next prime is 636406103. The reversal of 636406056 is 650604636.
636406056 is a `hidden beast` number, since 6 + 3 + 6 + 40 + 605 + 6 = 666.
636406056 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 2×6364060562 = 810025336226950272, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 636406056.
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, 1163175 + ... + 1163721.
It is an arithmetic number, because the mean of its divisors is an integer number (10659285).
Almost surely, 2636406056 is an apocalyptic number.
636406056 is a gapful number since it is divisible by the number (66) 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 636406056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1023291360).
636406056 is an abundant number, since it is smaller than the sum of its proper divisors (1410176664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
636406056 is a wasteful number, since it uses less digits than its factorization.
636406056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 696 (or 689 counting only the distinct ones).
The product of its (nonzero) digits is 77760, while the sum is 36.
The square root of 636406056 is about 25227.0897251348. The cubic root of 636406056 is about 860.1577392290.
It can be divided in two parts, 63640 and 6056, that added together give a palindrome (69696).
The spelling of 636406056 in words is "six hundred thirty-six million, four hundred six thousand, fifty-six".
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