Base | Representation |
---|---|
bin | 111110001111000… |
… | …101010101101101 |
3 | 2200202201212202111 |
4 | 332033011111231 |
5 | 4114300011141 |
6 | 251335324021 |
7 | 34606025041 |
oct | 7617052555 |
9 | 2622655674 |
10 | 1044141421 |
11 | 4964329a4 |
12 | 251820611 |
13 | 138423a7b |
14 | 9c95c021 |
15 | 61a00381 |
hex | 3e3c556d |
1044141421 has 4 divisors (see below), whose sum is σ = 1044768700. Its totient is φ = 1043514144.
The previous prime is 1044141403. The next prime is 1044141431. The reversal of 1044141421 is 1241414401.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1241414401 = 103 ⋅12052567.
It can be written as a sum of positive squares in 2 ways, for example, as 599564196 + 444577225 = 24486^2 + 21085^2 .
It is a cyclic number.
It is not a de Polignac number, because 1044141421 - 217 = 1044010349 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1044141392 and 1044141401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1044141401) 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, 311136 + ... + 314473.
It is an arithmetic number, because the mean of its divisors is an integer number (261192175).
Almost surely, 21044141421 is an apocalyptic number.
It is an amenable number.
1044141421 is a deficient number, since it is larger than the sum of its proper divisors (627279).
1044141421 is an equidigital number, since it uses as much as digits as its factorization.
1044141421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 627278.
The product of its (nonzero) digits is 512, while the sum is 22.
The square root of 1044141421 is about 32313.1772037353. The cubic root of 1044141421 is about 1014.5024686749.
Adding to 1044141421 its reverse (1241414401), we get a palindrome (2285555822).
The spelling of 1044141421 in words is "one billion, forty-four million, one hundred forty-one thousand, four hundred twenty-one".
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