Base | Representation |
---|---|
bin | 101010111010111… |
… | …1110110000011001 |
3 | 10201101000110020210 |
4 | 1111311332300121 |
5 | 10422143322131 |
6 | 354524441333 |
7 | 50455421520 |
oct | 12565766031 |
9 | 3641013223 |
10 | 1440214041 |
11 | 679a66142 |
12 | 3423a9249 |
13 | 19c4bb876 |
14 | d93bd4b7 |
15 | 8668a146 |
hex | 55d7ec19 |
1440214041 has 64 divisors (see below), whose sum is σ = 2468966400. Its totient is φ = 726921216.
The previous prime is 1440214019. The next prime is 1440214043. The reversal of 1440214041 is 1404120441.
It is not a de Polignac number, because 1440214041 - 210 = 1440213017 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 1440213999 and 1440214017.
It is not an unprimeable number, because it can be changed into a prime (1440214043) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 765540 + ... + 767418.
It is an arithmetic number, because the mean of its divisors is an integer number (38577600).
Almost surely, 21440214041 is an apocalyptic number.
It is an amenable number.
1440214041 is a deficient number, since it is larger than the sum of its proper divisors (1028752359).
1440214041 is a wasteful number, since it uses less digits than its factorization.
1440214041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2038.
The product of its (nonzero) digits is 512, while the sum is 21.
The square root of 1440214041 is about 37950.1520550313. The cubic root of 1440214041 is about 1129.2991819666.
Adding to 1440214041 its reverse (1404120441), we get a palindrome (2844334482).
The spelling of 1440214041 in words is "one billion, four hundred forty million, two hundred fourteen thousand, forty-one".
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