Base | Representation |
---|---|
bin | 101001110010111… |
… | …1100000110101001 |
3 | 10121201222001211002 |
4 | 1103211330012221 |
5 | 10333012020231 |
6 | 351055244345 |
7 | 46516444313 |
oct | 12345740651 |
9 | 3551861732 |
10 | 1402454441 |
11 | 65a715863 |
12 | 3318196b5 |
13 | 19472a9cb |
14 | d43907b3 |
15 | 831cc0cb |
hex | 5397c1a9 |
1402454441 has 2 divisors, whose sum is σ = 1402454442. Its totient is φ = 1402454440.
The previous prime is 1402454419. The next prime is 1402454461. The reversal of 1402454441 is 1444542041.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1086361600 + 316092841 = 32960^2 + 17779^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1402454441 is a prime.
It is not a weakly prime, because it can be changed into another prime (1402454411) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701227220 + 701227221.
It is an arithmetic number, because the mean of its divisors is an integer number (701227221).
Almost surely, 21402454441 is an apocalyptic number.
It is an amenable number.
1402454441 is a deficient number, since it is larger than the sum of its proper divisors (1).
1402454441 is an equidigital number, since it uses as much as digits as its factorization.
1402454441 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10240, while the sum is 29.
The square root of 1402454441 is about 37449.3583523136. The cubic root of 1402454441 is about 1119.3423118367.
Adding to 1402454441 its reverse (1444542041), we get a palindrome (2846996482).
The spelling of 1402454441 in words is "one billion, four hundred two million, four hundred fifty-four thousand, four hundred forty-one".
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