Base | Representation |
---|---|
bin | 1101101111111000… |
… | …0110001010101010 |
3 | 100112012022020110220 |
4 | 3123332012022222 |
5 | 30024231112430 |
6 | 1410111550510 |
7 | 160311430443 |
oct | 33376061252 |
9 | 10465266426 |
10 | 3690488490 |
11 | 1624203697 |
12 | 86bb2b436 |
13 | 46a773500 |
14 | 2701c62ca |
15 | 168ed8110 |
hex | dbf862aa |
3690488490 has 96 divisors (see below), whose sum is σ = 9687206016. Its totient is φ = 899308800.
The previous prime is 3690488489. The next prime is 3690488497. The reversal of 3690488490 is 948840963.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (3690488497) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 508467 + ... + 515673.
It is an arithmetic number, because the mean of its divisors is an integer number (100908396).
Almost surely, 23690488490 is an apocalyptic number.
3690488490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 3690488490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4843603008).
3690488490 is an abundant number, since it is smaller than the sum of its proper divisors (5996717526).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3690488490 is a wasteful number, since it uses less digits than its factorization.
3690488490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7344 (or 7331 counting only the distinct ones).
The product of its (nonzero) digits is 1492992, while the sum is 51.
The square root of 3690488490 is about 60749.3908611436. The cubic root of 3690488490 is about 1545.3538972086.
The spelling of 3690488490 in words is "three billion, six hundred ninety million, four hundred eighty-eight thousand, four hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.062 sec. • engine limits •