Base | Representation |
---|---|
bin | 11100110110010… |
… | …10010101001111 |
3 | 121212100221021120 |
4 | 32123022111033 |
5 | 443423014411 |
6 | 40002532023 |
7 | 5665655643 |
oct | 1633122517 |
9 | 555327246 |
10 | 242001231 |
11 | 11467011a |
12 | 69067013 |
13 | 3b1a19c4 |
14 | 241d6c23 |
15 | 163a4106 |
hex | e6ca54f |
242001231 has 8 divisors (see below), whose sum is σ = 323512320. Its totient is φ = 160912152.
The previous prime is 242001197. The next prime is 242001247. The reversal of 242001231 is 132100242.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 242001231 - 211 = 241999183 is a prime.
It is a super-2 number, since 2×2420012312 = 117129191611030722, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 242001231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (242001251) 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, 104161 + ... + 106458.
It is an arithmetic number, because the mean of its divisors is an integer number (40439040).
Almost surely, 2242001231 is an apocalyptic number.
242001231 is a deficient number, since it is larger than the sum of its proper divisors (81511089).
242001231 is a wasteful number, since it uses less digits than its factorization.
242001231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 211005.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 242001231 is about 15556.3887518923. The cubic root of 242001231 is about 623.1690250740.
Adding to 242001231 its reverse (132100242), we get a palindrome (374101473).
The spelling of 242001231 in words is "two hundred forty-two million, one thousand, two hundred thirty-one".
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