Base | Representation |
---|---|
bin | 101010011110111… |
… | …0110101010000101 |
3 | 10200100022221111010 |
4 | 1110331312222011 |
5 | 10404412011210 |
6 | 353241232433 |
7 | 50216362011 |
oct | 12475665205 |
9 | 3610287433 |
10 | 1425500805 |
11 | 671726943 |
12 | 339492719 |
13 | 199439901 |
14 | d746d541 |
15 | 85230920 |
hex | 54f76a85 |
1425500805 has 16 divisors (see below), whose sum is σ = 2292747264. Its totient is φ = 756285120.
The previous prime is 1425500803. The next prime is 1425500827. The reversal of 1425500805 is 5080055241.
It is not a de Polignac number, because 1425500805 - 21 = 1425500803 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1425500803) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245914 + ... + 251643.
It is an arithmetic number, because the mean of its divisors is an integer number (143296704).
Almost surely, 21425500805 is an apocalyptic number.
1425500805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1425500805 is a deficient number, since it is larger than the sum of its proper divisors (867246459).
1425500805 is a wasteful number, since it uses less digits than its factorization.
1425500805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 497756.
The product of its (nonzero) digits is 8000, while the sum is 30.
The square root of 1425500805 is about 37755.8049179196. The cubic root of 1425500805 is about 1125.4403688346.
The spelling of 1425500805 in words is "one billion, four hundred twenty-five million, five hundred thousand, eight hundred five".
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