Base | Representation |
---|---|
bin | 11101001110010… |
… | …01011000000001 |
3 | 122002021120000220 |
4 | 32213021120001 |
5 | 1000224034131 |
6 | 40154133253 |
7 | 6034452513 |
oct | 1647113001 |
9 | 562246026 |
10 | 245143041 |
11 | 116416660 |
12 | 6a121229 |
13 | 3ba31a70 |
14 | 247b3bb3 |
15 | 167c4e96 |
hex | e9c9601 |
245143041 has 32 divisors (see below), whose sum is σ = 386856960. Its totient is φ = 136123200.
The previous prime is 245143037. The next prime is 245143069. The reversal of 245143041 is 140341542.
It is not a de Polignac number, because 245143041 - 22 = 245143037 is a prime.
It is a super-2 number, since 2×2451430412 = 120190221101455362, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (245143001) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57576 + ... + 61686.
It is an arithmetic number, because the mean of its divisors is an integer number (12089280).
Almost surely, 2245143041 is an apocalyptic number.
It is an amenable number.
245143041 is a deficient number, since it is larger than the sum of its proper divisors (141713919).
245143041 is a wasteful number, since it uses less digits than its factorization.
245143041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4277.
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 245143041 is about 15657.0444528972. The cubic root of 245143041 is about 625.8542269289.
Adding to 245143041 its reverse (140341542), we get a palindrome (385484583).
The spelling of 245143041 in words is "two hundred forty-five million, one hundred forty-three thousand, forty-one".
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