Base | Representation |
---|---|
bin | 11100111010010… |
… | …11100010000000 |
3 | 121220100211012121 |
4 | 32131023202000 |
5 | 444041433212 |
6 | 40022134024 |
7 | 6003321544 |
oct | 1635134200 |
9 | 556324177 |
10 | 242530432 |
11 | 1149a1781 |
12 | 69281314 |
13 | 3b328841 |
14 | 242d3a24 |
15 | 1645ad07 |
hex | e74b880 |
242530432 has 64 divisors (see below), whose sum is σ = 514887840. Its totient is φ = 113397760.
The previous prime is 242530427. The next prime is 242530441. The reversal of 242530432 is 234035242.
It is a tau number, because it is divible by the number of its divisors (64).
It is a super-2 number, since 2×2425304322 = 117642020892213248, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 242530397 and 242530406.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493707 + ... + 494197.
Almost surely, 2242530432 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 242530432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257443920).
242530432 is an abundant number, since it is smaller than the sum of its proper divisors (272357408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
242530432 is a wasteful number, since it uses less digits than its factorization.
242530432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 749 (or 737 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 25.
The square root of 242530432 is about 15573.3885843769. The cubic root of 242530432 is about 623.6229367834.
Adding to 242530432 its reverse (234035242), we get a palindrome (476565674).
The spelling of 242530432 in words is "two hundred forty-two million, five hundred thirty thousand, four hundred thirty-two".
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