Base | Representation |
---|---|
bin | 11100111100100… |
… | …01000111111010 |
3 | 121220220022020000 |
4 | 32132101013322 |
5 | 444130043412 |
6 | 40032213430 |
7 | 6005616600 |
oct | 1636210772 |
9 | 556808200 |
10 | 242815482 |
11 | 115076958 |
12 | 6939a276 |
13 | 3b3c8500 |
14 | 24369870 |
15 | 164b54dc |
hex | e7911fa |
242815482 has 180 divisors, whose sum is σ = 689134446. Its totient is φ = 63685440.
The previous prime is 242815477. The next prime is 242815483. The reversal of 242815482 is 284518242.
242815482 is a `hidden beast` number, since 2 + 428 + 154 + 82 = 666.
It can be written as a sum of positive squares in 3 ways, for example, as 45441081 + 197374401 = 6741^2 + 14049^2 .
It is not an unprimeable number, because it can be changed into a prime (242815483) by changing a digit.
It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 1341432 + ... + 1341612.
Almost surely, 2242815482 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 242815482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344567223).
242815482 is an abundant number, since it is smaller than the sum of its proper divisors (446318964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
242815482 is a wasteful number, since it uses less digits than its factorization.
242815482 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 235 (or 206 counting only the distinct ones).
The product of its digits is 40960, while the sum is 36.
The square root of 242815482 is about 15582.5377265707. The cubic root of 242815482 is about 623.8671592221.
The spelling of 242815482 in words is "two hundred forty-two million, eight hundred fifteen thousand, four hundred eighty-two".
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