| Base | Representation |
|---|---|
| bin | 1111000101010… |
| … | …1001110011000 |
| 3 | 11102001010101210 |
| 4 | 3301111032120 |
| 5 | 112143414030 |
| 6 | 10135543120 |
| 7 | 1365506046 |
| oct | 361251630 |
| 9 | 142033353 |
| 10 | 63263640 |
| 11 | 3278aa00 |
| 12 | 1922aaa0 |
| 13 | 1015060b |
| 14 | 858b396 |
| 15 | 5849bb0 |
| hex | 3c55398 |
63263640 has 96 divisors (see below), whose sum is σ = 208661040. Its totient is φ = 15333120.
The previous prime is 63263633. The next prime is 63263659. The reversal of 63263640 is 4636236.
63263640 is digitally balanced in base 2, because in such base 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 (30).
It is a junction number, because it is equal to n+sod(n) for n = 63263598 and 63263607.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12342 + ... + 16698.
Almost surely, 263263640 is an apocalyptic number.
63263640 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 63263640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104330520).
63263640 is an abundant number, since it is smaller than the sum of its proper divisors (145397400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
63263640 is a wasteful number, since it uses less digits than its factorization.
63263640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4393 (or 4378 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 30.
The square root of 63263640 is about 7953.8443535186. The cubic root of 63263640 is about 398.4599952390.
Adding to 63263640 its reverse (4636236), we get a palindrome (67899876).
It can be divided in two parts, 63263 and 640, that added together give a triangular number (63903 = T357).
The spelling of 63263640 in words is "sixty-three million, two hundred sixty-three thousand, six hundred forty".
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