Base | Representation |
---|---|
bin | 11101010010001… |
… | …01011111111010 |
3 | 122010020101102212 |
4 | 32221011133322 |
5 | 1000341321300 |
6 | 40213055122 |
7 | 6042000662 |
oct | 1651053772 |
9 | 563211385 |
10 | 245651450 |
11 | 116733630 |
12 | 6a3274a2 |
13 | 3bb7c2b5 |
14 | 248a71a2 |
15 | 16875935 |
hex | ea457fa |
245651450 has 48 divisors (see below), whose sum is σ = 500217984. Its totient is φ = 89011200.
The previous prime is 245651429. The next prime is 245651501. The reversal of 245651450 is 54156542.
245651450 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 201242 + ... + 202458.
It is an arithmetic number, because the mean of its divisors is an integer number (10421208).
Almost surely, 2245651450 is an apocalyptic number.
245651450 is an abundant number, since it is smaller than the sum of its proper divisors (254566534).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245651450 is a wasteful number, since it uses less digits than its factorization.
245651450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1607 (or 1602 counting only the distinct ones).
The product of its (nonzero) digits is 24000, while the sum is 32.
The square root of 245651450 is about 15673.2718345596. The cubic root of 245651450 is about 626.2865870261.
The spelling of 245651450 in words is "two hundred forty-five million, six hundred fifty-one thousand, four hundred fifty".
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