Base | Representation |
---|---|
bin | 101001110010111… |
… | …0110001111101001 |
3 | 10121201220211220012 |
4 | 1103211312033221 |
5 | 10333010233231 |
6 | 351054541305 |
7 | 46516314326 |
oct | 12345661751 |
9 | 3551824805 |
10 | 1402430441 |
11 | 65a6a9825 |
12 | 331807835 |
13 | 19471cac9 |
14 | d4385b4d |
15 | 831c4e2b |
hex | 539763e9 |
1402430441 has 4 divisors (see below), whose sum is σ = 1402690884. Its totient is φ = 1402170000.
The previous prime is 1402430431. The next prime is 1402430467. The reversal of 1402430441 is 1440342041.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1440342041 = 23 ⋅62623567.
It can be written as a sum of positive squares in 2 ways, for example, as 1033944025 + 368486416 = 32155^2 + 19196^2 .
It is a cyclic number.
It is not a de Polignac number, because 1402430441 - 230 = 328688617 is a prime.
It is a super-2 number, since 2×14024304412 = 3933622283686908962, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1402430431) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121970 + ... + 132971.
It is an arithmetic number, because the mean of its divisors is an integer number (350672721).
Almost surely, 21402430441 is an apocalyptic number.
It is an amenable number.
1402430441 is a deficient number, since it is larger than the sum of its proper divisors (260443).
1402430441 is an equidigital number, since it uses as much as digits as its factorization.
1402430441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 260442.
The product of its (nonzero) digits is 1536, while the sum is 23.
The square root of 1402430441 is about 37449.0379182163. The cubic root of 1402430441 is about 1119.3359267526.
Adding to 1402430441 its reverse (1440342041), we get a palindrome (2842772482).
The spelling of 1402430441 in words is "one billion, four hundred two million, four hundred thirty thousand, four hundred forty-one".
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