Base | Representation |
---|---|
bin | 111001010111… |
… | …1111011101110 |
3 | 2002121021000212 |
4 | 1302233323232 |
5 | 30200041000 |
6 | 2552422422 |
7 | 513452660 |
oct | 162577356 |
9 | 62537025 |
10 | 30080750 |
11 | 15a86127 |
12 | a0a7a12 |
13 | 630297b |
14 | 3dd0530 |
15 | 2992c35 |
hex | 1cafeee |
30080750 has 32 divisors (see below), whose sum is σ = 64359360. Its totient is φ = 10312800.
The previous prime is 30080731. The next prime is 30080759. The reversal of 30080750 is 5708003.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30080759) 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, 6845 + ... + 10344.
It is an arithmetic number, because the mean of its divisors is an integer number (2011230).
Almost surely, 230080750 is an apocalyptic number.
30080750 is an abundant number, since it is smaller than the sum of its proper divisors (34278610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30080750 is a wasteful number, since it uses less digits than its factorization.
30080750 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17213 (or 17203 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 23.
The square root of 30080750 is about 5484.5920541094. The cubic root of 30080750 is about 311.0017886395.
Adding to 30080750 its reverse (5708003), we get a palindrome (35788753).
The spelling of 30080750 in words is "thirty million, eighty thousand, seven hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •