Base | Representation |
---|---|
bin | 11010001010100001… |
… | …100011001110001000 |
3 | 2200111220112200110100 |
4 | 122022201203032020 |
5 | 430014011321400 |
6 | 20523420445400 |
7 | 2013122552430 |
oct | 321241431610 |
9 | 80456480410 |
10 | 28093854600 |
11 | 10a07280859 |
12 | 55406a9860 |
13 | 28594bc306 |
14 | 15072212c0 |
15 | ae6605100 |
hex | 68a863388 |
28093854600 has 288 divisors, whose sum is σ = 108047459520. Its totient is φ = 6408322560.
The previous prime is 28093854571. The next prime is 28093854601. The reversal of 28093854600 is 645839082.
28093854600 is a `hidden beast` number, since 2 + 8 + 0 + 9 + 38 + 5 + 4 + 600 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (28093854601) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7016199 + ... + 7020201.
It is an arithmetic number, because the mean of its divisors is an integer number (375164790).
Almost surely, 228093854600 is an apocalyptic number.
28093854600 is a gapful number since it is divisible by the number (20) 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 28093854600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54023729760).
28093854600 is an abundant number, since it is smaller than the sum of its proper divisors (79953604920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28093854600 is a wasteful number, since it uses less digits than its factorization.
28093854600 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4589 (or 4577 counting only the distinct ones).
The product of its (nonzero) digits is 414720, while the sum is 45.
The spelling of 28093854600 in words is "twenty-eight billion, ninety-three million, eight hundred fifty-four thousand, six hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •