Base | Representation |
---|---|
bin | 1010000010110100… |
… | …11001001111110001 |
3 | 111220210202120200211 |
4 | 11001122121033301 |
5 | 42020423433424 |
6 | 2251025544121 |
7 | 250425455542 |
oct | 50132311761 |
9 | 14823676624 |
10 | 5392405489 |
11 | 2317966069 |
12 | 1065aa5041 |
13 | 67c2414a3 |
14 | 39224a4c9 |
15 | 218619b94 |
hex | 1416993f1 |
5392405489 has 3 divisors (see below), whose sum is σ = 5392478923. Its totient is φ = 5392332056.
The previous prime is 5392405481. The next prime is 5392405507. The reversal of 5392405489 is 9845042935.
The square root of 5392405489 is 73433.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in only one way, i.e., 877640625 + 4514764864 = 29625^2 + 67192^2 .
It is not a de Polignac number, because 5392405489 - 23 = 5392405481 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (5392405481) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 36717 + ... + 110149.
Almost surely, 25392405489 is an apocalyptic number.
5392405489 is the 73433-rd square number.
5392405489 is the 36717-th centered octagonal number.
It is an amenable number.
5392405489 is a deficient number, since it is larger than the sum of its proper divisors (73434).
5392405489 is an frugal number, since it uses more digits than its factorization.
5392405489 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 146866 (or 73433 counting only the distinct ones).
The product of its (nonzero) digits is 1555200, while the sum is 49.
The cubic root of 5392405489 is about 1753.5877946554.
Multiplying 5392405489 by its sum of digits (49), we get a square (264227868961 = 5140312).
It can be divided in two parts, 5392 and 405489, that added together give a square (410881 = 6412).
The spelling of 5392405489 in words is "five billion, three hundred ninety-two million, four hundred five thousand, four hundred eighty-nine".
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