Base | Representation |
---|---|
bin | 110000101000111… |
… | …010001000100101 |
3 | 2002212111122001102 |
4 | 300220322020211 |
5 | 3132400431440 |
6 | 212550205445 |
7 | 26136066632 |
oct | 6050721045 |
9 | 2085448042 |
10 | 816030245 |
11 | 38969a668 |
12 | 1a9353885 |
13 | 1000a6444 |
14 | 7a53d189 |
15 | 4b991b15 |
hex | 30a3a225 |
816030245 has 16 divisors (see below), whose sum is σ = 1003173888. Its totient is φ = 637035840.
The previous prime is 816030233. The next prime is 816030247. The reversal of 816030245 is 542030618.
It is not a de Polignac number, because 816030245 - 26 = 816030181 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (816030247) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28202 + ... + 49268.
It is an arithmetic number, because the mean of its divisors is an integer number (62698368).
Almost surely, 2816030245 is an apocalyptic number.
It is an amenable number.
816030245 is a deficient number, since it is larger than the sum of its proper divisors (187143643).
816030245 is a wasteful number, since it uses less digits than its factorization.
816030245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21260.
The product of its (nonzero) digits is 5760, while the sum is 29.
The square root of 816030245 is about 28566.2431026553. The cubic root of 816030245 is about 934.4772908374.
The spelling of 816030245 in words is "eight hundred sixteen million, thirty thousand, two hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •