Base | Representation |
---|---|
bin | 1001011110110011… |
… | …1101000110111010 |
3 | 20120101010201112212 |
4 | 2113230331012322 |
5 | 20203024104000 |
6 | 1100315135122 |
7 | 120033240425 |
oct | 22754750672 |
9 | 6511121485 |
10 | 2545144250 |
11 | 1096738600 |
12 | 5b04444a2 |
13 | 3173a761c |
14 | 1a20429bc |
15 | ed696c35 |
hex | 97b3d1ba |
2545144250 has 48 divisors (see below), whose sum is σ = 5237085672. Its totient is φ = 925496000.
The previous prime is 2545144247. The next prime is 2545144253. The reversal of 2545144250 is 524415452.
It is an interprime number because it is at equal distance from previous prime (2545144247) and next prime (2545144253).
It can be written as a sum of positive squares in 4 ways, for example, as 1209022441 + 1336121809 = 34771^2 + 36553^2 .
It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (2545144253) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11819 + ... + 72318.
Almost surely, 22545144250 is an apocalyptic number.
2545144250 is an abundant number, since it is smaller than the sum of its proper divisors (2691941422).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2545144250 is a wasteful number, since it uses less digits than its factorization.
2545144250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84176 (or 84155 counting only the distinct ones).
The product of its (nonzero) digits is 32000, while the sum is 32.
The square root of 2545144250 is about 50449.4226924352. The cubic root of 2545144250 is about 1365.3294789815.
The spelling of 2545144250 in words is "two billion, five hundred forty-five million, one hundred forty-four thousand, two hundred fifty".
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