Base | Representation |
---|---|
bin | 11111010110110… |
… | …00000011001110 |
3 | 200022221020212200 |
4 | 33223120003032 |
5 | 1014313411232 |
6 | 42033342330 |
7 | 6342465141 |
oct | 1753300316 |
9 | 608836780 |
10 | 263028942 |
11 | 1255225a0 |
12 | 741079a6 |
13 | 42654b37 |
14 | 26d0c058 |
15 | 1815977c |
hex | fad80ce |
263028942 has 48 divisors (see below), whose sum is σ = 624527280. Its totient is φ = 79344000.
The previous prime is 263028929. The next prime is 263028977. The reversal of 263028942 is 249820362.
It is a junction number, because it is equal to n+sod(n) for n = 263028897 and 263028906.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42442 + ... + 48242.
It is an arithmetic number, because the mean of its divisors is an integer number (13010985).
Almost surely, 2263028942 is an apocalyptic number.
263028942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 263028942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312263640).
263028942 is an abundant number, since it is smaller than the sum of its proper divisors (361498338).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
263028942 is a wasteful number, since it uses less digits than its factorization.
263028942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6049 (or 6046 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 36.
The square root of 263028942 is about 16218.1670357658. The cubic root of 263028942 is about 640.7193587824.
The spelling of 263028942 in words is "two hundred sixty-three million, twenty-eight thousand, nine hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •