Base | Representation |
---|---|
bin | 11101010000100… |
… | …10011100101000 |
3 | 122002211202121012 |
4 | 32220102130220 |
5 | 1000313123334 |
6 | 40204403052 |
7 | 6040140230 |
oct | 1650223450 |
9 | 562752535 |
10 | 245442344 |
11 | 116600514 |
12 | 6a246488 |
13 | 3bb08074 |
14 | 24850cc0 |
15 | 168339ce |
hex | ea12728 |
245442344 has 32 divisors (see below), whose sum is σ = 526471680. Its totient is φ = 105084864.
The previous prime is 245442259. The next prime is 245442347. The reversal of 245442344 is 443244542.
It is a self number, because there is not a number n which added to its sum of digits gives 245442344.
It is not an unprimeable number, because it can be changed into a prime (245442347) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86354 + ... + 89150.
It is an arithmetic number, because the mean of its divisors is an integer number (16452240).
Almost surely, 2245442344 is an apocalyptic number.
It is an amenable number.
245442344 is an abundant number, since it is smaller than the sum of its proper divisors (281029336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245442344 is a wasteful number, since it uses less digits than its factorization.
245442344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4377 (or 4373 counting only the distinct ones).
The product of its digits is 61440, while the sum is 32.
The square root of 245442344 is about 15666.5996310623. The cubic root of 245442344 is about 626.1088318371.
Adding to 245442344 its reverse (443244542), we get a palindrome (688686886).
The spelling of 245442344 in words is "two hundred forty-five million, four hundred forty-two thousand, three hundred forty-four".
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