Base | Representation |
---|---|
bin | 11100100111001… |
… | …10111000110001 |
3 | 121201122022222012 |
4 | 32103212320301 |
5 | 442421133131 |
6 | 35452252305 |
7 | 5643100541 |
oct | 1623467061 |
9 | 551568865 |
10 | 240021041 |
11 | 1135383a7 |
12 | 68471095 |
13 | 3a95a5b0 |
14 | 23c3d321 |
15 | 1611252b |
hex | e4e6e31 |
240021041 has 8 divisors (see below), whose sum is σ = 258721344. Its totient is φ = 221354640.
The previous prime is 240021013. The next prime is 240021043. The reversal of 240021041 is 140120042.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 240021041 - 210 = 240020017 is a prime.
It is a super-2 number, since 2×2400210412 = 115220200245447362, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (240021043) 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, 7340 + ... + 23106.
It is an arithmetic number, because the mean of its divisors is an integer number (32340168).
Almost surely, 2240021041 is an apocalyptic number.
It is an amenable number.
240021041 is a deficient number, since it is larger than the sum of its proper divisors (18700303).
240021041 is a wasteful number, since it uses less digits than its factorization.
240021041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16951.
The product of its (nonzero) digits is 64, while the sum is 14.
The square root of 240021041 is about 15492.6124653010. The cubic root of 240021041 is about 621.4646615709.
Adding to 240021041 its reverse (140120042), we get a palindrome (380141083).
Subtracting from 240021041 its reverse (140120042), we obtain a palindrome (99900999).
The spelling of 240021041 in words is "two hundred forty million, twenty-one thousand, forty-one".
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