Base | Representation |
---|---|
bin | 1000011001000010… |
… | …1000010110001001 |
3 | 12210222111012000212 |
4 | 2012100220112021 |
5 | 14103120202010 |
6 | 1011303010505 |
7 | 106550663234 |
oct | 20620502611 |
9 | 5728435025 |
10 | 2252506505 |
11 | a56532527 |
12 | 52a439a35 |
13 | 29b8868b2 |
14 | 17522841b |
15 | d2b3e505 |
hex | 86428589 |
2252506505 has 4 divisors (see below), whose sum is σ = 2703007812. Its totient is φ = 1802005200.
The previous prime is 2252506493. The next prime is 2252506507. The reversal of 2252506505 is 5056052522.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1799795776 + 452710729 = 42424^2 + 21277^2 .
It is not a de Polignac number, because 2252506505 - 24 = 2252506489 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2252506507) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225250646 + ... + 225250655.
It is an arithmetic number, because the mean of its divisors is an integer number (675751953).
Almost surely, 22252506505 is an apocalyptic number.
It is an amenable number.
2252506505 is a deficient number, since it is larger than the sum of its proper divisors (450501307).
2252506505 is an equidigital number, since it uses as much as digits as its factorization.
2252506505 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 450501306.
The product of its (nonzero) digits is 30000, while the sum is 32.
The square root of 2252506505 is about 47460.5784309462. The cubic root of 2252506505 is about 1310.8571018200.
The spelling of 2252506505 in words is "two billion, two hundred fifty-two million, five hundred six thousand, five hundred five".
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