Base | Representation |
---|---|
bin | 11100111000100… |
… | …11100000010001 |
3 | 121212221011102002 |
4 | 32130103200101 |
5 | 444012112240 |
6 | 40013203345 |
7 | 6001344515 |
oct | 1634234021 |
9 | 555834362 |
10 | 242300945 |
11 | 114855317 |
12 | 69190555 |
13 | 3b278253 |
14 | 24274145 |
15 | 16412d15 |
hex | e713811 |
242300945 has 8 divisors (see below), whose sum is σ = 300787560. Its totient is φ = 187156480.
The previous prime is 242300941. The next prime is 242300953. The reversal of 242300945 is 549003242.
It can be written as a sum of positive squares in 4 ways, for example, as 7230721 + 235070224 = 2689^2 + 15332^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 242300945 - 22 = 242300941 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is not an unprimeable number, because it can be changed into a prime (242300941) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835376 + ... + 835665.
It is an arithmetic number, because the mean of its divisors is an integer number (37598445).
Almost surely, 2242300945 is an apocalyptic number.
It is an amenable number.
242300945 is a deficient number, since it is larger than the sum of its proper divisors (58486615).
242300945 is a wasteful number, since it uses less digits than its factorization.
242300945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1671075.
The product of its (nonzero) digits is 8640, while the sum is 29.
The square root of 242300945 is about 15566.0189194283. The cubic root of 242300945 is about 623.4261800048.
The spelling of 242300945 in words is "two hundred forty-two million, three hundred thousand, nine hundred forty-five".
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