Base | Representation |
---|---|
bin | 100110111100001… |
… | …100110100110100 |
3 | 1200112022212012221 |
4 | 212330030310310 |
5 | 2314222043010 |
6 | 144454452124 |
7 | 22122042364 |
oct | 4674146464 |
9 | 1615285187 |
10 | 653315380 |
11 | 305863573 |
12 | 162964044 |
13 | a5475063 |
14 | 62aa49a4 |
15 | 3c54edda |
hex | 26f0cd34 |
653315380 has 48 divisors (see below), whose sum is σ = 1448496000. Its totient is φ = 246830976.
The previous prime is 653315363. The next prime is 653315441. The reversal of 653315380 is 83513356.
653315380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134026 + ... + 138814.
It is an arithmetic number, because the mean of its divisors is an integer number (30177000).
Almost surely, 2653315380 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 653315380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (724248000).
653315380 is an abundant number, since it is smaller than the sum of its proper divisors (795180620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
653315380 is a wasteful number, since it uses less digits than its factorization.
653315380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5176 (or 5174 counting only the distinct ones).
The product of its (nonzero) digits is 32400, while the sum is 34.
The square root of 653315380 is about 25560.0348200076. The cubic root of 653315380 is about 867.7093836920.
The spelling of 653315380 in words is "six hundred fifty-three million, three hundred fifteen thousand, three hundred eighty".
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