Base | Representation |
---|---|
bin | 11011000100101… |
… | …001010010110001 |
3 | 1011122122212202111 |
4 | 123010221102301 |
5 | 1412233440140 |
6 | 113023045321 |
7 | 14153441446 |
oct | 3304512261 |
9 | 1148585674 |
10 | 454202545 |
11 | 213427105 |
12 | 108140841 |
13 | 7313b804 |
14 | 444739cd |
15 | 29d1d7ea |
hex | 1b1294b1 |
454202545 has 16 divisors (see below), whose sum is σ = 566945280. Its totient is φ = 348940800.
The previous prime is 454202519. The next prime is 454202557. The reversal of 454202545 is 545202454.
It is not a de Polignac number, because 454202545 - 221 = 452105393 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9121 + ... + 31489.
It is an arithmetic number, because the mean of its divisors is an integer number (35434080).
Almost surely, 2454202545 is an apocalyptic number.
It is an amenable number.
454202545 is a deficient number, since it is larger than the sum of its proper divisors (112742735).
454202545 is a wasteful number, since it uses less digits than its factorization.
454202545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22536.
The product of its (nonzero) digits is 32000, while the sum is 31.
The square root of 454202545 is about 21312.0281765955. The cubic root of 454202545 is about 768.6875629992.
Adding to 454202545 its reverse (545202454), we get a palindrome (999404999).
Subtracting 454202545 from its reverse (545202454), we obtain a palindrome (90999909).
The spelling of 454202545 in words is "four hundred fifty-four million, two hundred two thousand, five hundred forty-five".
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