Base | Representation |
---|---|
bin | 111001010100… |
… | …1101110000100 |
3 | 2002112222010021 |
4 | 1302221232010 |
5 | 30143232200 |
6 | 2552104524 |
7 | 513315532 |
oct | 162515604 |
9 | 62488107 |
10 | 30055300 |
11 | 15a68aa0 |
12 | a095144 |
13 | 62c4202 |
14 | 3dc5152 |
15 | 298a41a |
hex | 1ca9b84 |
30055300 has 72 divisors (see below), whose sum is σ = 72182880. Its totient is φ = 10771200.
The previous prime is 30055279. The next prime is 30055309. The reversal of 30055300 is 355003.
30055300 = T31 + T32 + ... + T564.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (30055309) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97747 + ... + 98053.
It is an arithmetic number, because the mean of its divisors is an integer number (1002540).
Almost surely, 230055300 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 30055300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36091440).
30055300 is an abundant number, since it is smaller than the sum of its proper divisors (42127580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30055300 is a wasteful number, since it uses less digits than its factorization.
30055300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 421 (or 414 counting only the distinct ones).
The product of its (nonzero) digits is 225, while the sum is 16.
The square root of 30055300 is about 5482.2714270638. The cubic root of 30055300 is about 310.9140555794.
The spelling of 30055300 in words is "thirty million, fifty-five thousand, three hundred".
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