Base | Representation |
---|---|
bin | 111000110110111… |
… | …0000011110110100 |
3 | 11220221220022200100 |
4 | 1301231300132310 |
5 | 12401400223333 |
6 | 513151114100 |
7 | 65164130541 |
oct | 16155603664 |
9 | 4827808610 |
10 | 1907820468 |
11 | 899a07834 |
12 | 452b12930 |
13 | 245341368 |
14 | 141541bc8 |
15 | b2755213 |
hex | 71b707b4 |
1907820468 has 72 divisors (see below), whose sum is σ = 5039064576. Its totient is φ = 607464000.
The previous prime is 1907820451. The next prime is 1907820469. The reversal of 1907820468 is 8640287091.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1907820469) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 976893 + ... + 978843.
It is an arithmetic number, because the mean of its divisors is an integer number (69987008).
Almost surely, 21907820468 is an apocalyptic number.
1907820468 is a gapful number since it is divisible by the number (18) 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 1907820468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2519532288).
1907820468 is an abundant number, since it is smaller than the sum of its proper divisors (3131244108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1907820468 is a wasteful number, since it uses less digits than its factorization.
1907820468 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3165 (or 3160 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 45.
The square root of 1907820468 is about 43678.6042359414. The cubic root of 1907820468 is about 1240.2593257486.
The spelling of 1907820468 in words is "one billion, nine hundred seven million, eight hundred twenty thousand, four hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •