Base | Representation |
---|---|
bin | 11100111010001… |
… | …01010101000110 |
3 | 121220022112100210 |
4 | 32131011111012 |
5 | 444040130110 |
6 | 40021420250 |
7 | 6003154515 |
oct | 1635052506 |
9 | 556275323 |
10 | 242505030 |
11 | 114984689 |
12 | 6926a686 |
13 | 3b31a101 |
14 | 242c867c |
15 | 16453520 |
hex | e745546 |
242505030 has 64 divisors (see below), whose sum is σ = 601318080. Its totient is φ = 62544384.
The previous prime is 242505023. The next prime is 242505061. The reversal of 242505030 is 30505242.
242505030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 242504988 and 242505006.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218116 + ... + 219224.
It is an arithmetic number, because the mean of its divisors is an integer number (9395595).
Almost surely, 2242505030 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 242505030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300659040).
242505030 is an abundant number, since it is smaller than the sum of its proper divisors (358813050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
242505030 is a wasteful number, since it uses less digits than its factorization.
242505030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1353.
The product of its (nonzero) digits is 1200, while the sum is 21.
The square root of 242505030 is about 15572.5730051267. The cubic root of 242505030 is about 623.6011638141.
The spelling of 242505030 in words is "two hundred forty-two million, five hundred five thousand, thirty".
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