| Base | Representation |
|---|---|
| bin | 1101100010010… |
| … | …01001000000000 |
| 3 | 21220122201110100 |
| 4 | 12301021020000 |
| 5 | 213031430403 |
| 6 | 15133402400 |
| 7 | 2546060052 |
| oct | 661111000 |
| 9 | 256581410 |
| 10 | 113545728 |
| 11 | 5910364a |
| 12 | 32039400 |
| 13 | 1a6a722a |
| 14 | 111198d2 |
| 15 | 9e7d2a3 |
| hex | 6c49200 |
113545728 has 120 divisors (see below), whose sum is σ = 336251916. Its totient is φ = 36864000.
The previous prime is 113545723. The next prime is 113545739. The reversal of 113545728 is 827545311.
It can be written as a sum of positive squares in 2 ways, for example, as 112529664 + 1016064 = 10608^2 + 1008^2 .
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nialpdrome in base 8.
It is a zygodrome in base 8.
It is a junction number, because it is equal to n+sod(n) for n = 113545692 and 113545701.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (113545721) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188628 + ... + 189228.
Almost surely, 2113545728 is an apocalyptic number.
113545728 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 113545728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168125958).
113545728 is an abundant number, since it is smaller than the sum of its proper divisors (222706188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
113545728 is an equidigital number, since it uses as much as digits as its factorization.
113545728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 666 (or 647 counting only the distinct ones).
The product of its digits is 33600, while the sum is 36.
The square root of 113545728 is about 10655.7837815902. The cubic root of 113545728 is about 484.2358434413.
The spelling of 113545728 in words is "one hundred thirteen million, five hundred forty-five thousand, seven hundred twenty-eight".
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