Base | Representation |
---|---|
bin | 11101001110010… |
… | …01011100100010 |
3 | 122002021120102121 |
4 | 32213021130202 |
5 | 1000224041310 |
6 | 40154134454 |
7 | 6034453405 |
oct | 1647113442 |
9 | 562246377 |
10 | 245143330 |
11 | 1164168a3 |
12 | 6a12142a |
13 | 3ba31c33 |
14 | 247b3d3c |
15 | 167c50da |
hex | e9c9722 |
245143330 has 32 divisors (see below), whose sum is σ = 447097968. Its totient is φ = 96768000.
The previous prime is 245143273. The next prime is 245143331. The reversal of 245143330 is 33341542.
245143330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 96766569 + 148376761 = 9837^2 + 12181^2 .
It is a junction number, because it is equal to n+sod(n) for n = 245143295 and 245143304.
It is not an unprimeable number, because it can be changed into a prime (245143331) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452860 + ... + 453400.
Almost surely, 2245143330 is an apocalyptic number.
245143330 is a deficient number, since it is larger than the sum of its proper divisors (201954638).
245143330 is a wasteful number, since it uses less digits than its factorization.
245143330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1062.
The product of its (nonzero) digits is 4320, while the sum is 25.
The square root of 245143330 is about 15657.0536819671. The cubic root of 245143330 is about 625.8544728694.
Adding to 245143330 its reverse (33341542), we get a palindrome (278484872).
The spelling of 245143330 in words is "two hundred forty-five million, one hundred forty-three thousand, three hundred thirty".
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