Base | Representation |
---|---|
bin | 100000001100110… |
… | …0110011001010000 |
3 | 2210022001200110020 |
4 | 1000121212121100 |
5 | 4203043441223 |
6 | 255113503440 |
7 | 35526460560 |
oct | 10031463120 |
9 | 2708050406 |
10 | 1080452688 |
11 | 504984107 |
12 | 261a11b80 |
13 | 142ac8623 |
14 | a36d0da0 |
15 | 64cc41e3 |
hex | 40666650 |
1080452688 has 160 divisors (see below), whose sum is σ = 3299003136. Its totient is φ = 298266624.
The previous prime is 1080452687. The next prime is 1080452693. The reversal of 1080452688 is 8862540801.
It is a super-2 number, since 2×10804526882 = 2334756022012850688, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1080452683) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2896470 + ... + 2896842.
Almost surely, 21080452688 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 1080452688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1649501568).
1080452688 is an abundant number, since it is smaller than the sum of its proper divisors (2218550448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1080452688 is a wasteful number, since it uses less digits than its factorization.
1080452688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 661 (or 655 counting only the distinct ones).
The product of its (nonzero) digits is 122880, while the sum is 42.
The square root of 1080452688 is about 32870.2401573216. The cubic root of 1080452688 is about 1026.1288971657.
The spelling of 1080452688 in words is "one billion, eighty million, four hundred fifty-two thousand, six hundred eighty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.086 sec. • engine limits •