Base | Representation |
---|---|
bin | 11100100010110… |
… | …00000100001001 |
3 | 121200112121111112 |
4 | 32101120010021 |
5 | 442243423131 |
6 | 35431540105 |
7 | 5635113155 |
oct | 1621300411 |
9 | 550477445 |
10 | 239436041 |
11 | 113178929 |
12 | 6822a635 |
13 | 3a7b4240 |
14 | 23b2a065 |
15 | 1604902b |
hex | e458109 |
239436041 has 16 divisors (see below), whose sum is σ = 277513488. Its totient is φ = 204595200.
The previous prime is 239435981. The next prime is 239436047. The reversal of 239436041 is 140634932.
It can be written as a sum of positive squares in 8 ways, for example, as 40513225 + 198922816 = 6365^2 + 14104^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-239436041 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 239435989 and 239436007.
It is not an unprimeable number, because it can be changed into a prime (239436047) 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, 4601 + ... + 22361.
It is an arithmetic number, because the mean of its divisors is an integer number (17344593).
Almost surely, 2239436041 is an apocalyptic number.
It is an amenable number.
239436041 is a deficient number, since it is larger than the sum of its proper divisors (38077447).
239436041 is a wasteful number, since it uses less digits than its factorization.
239436041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17852.
The product of its (nonzero) digits is 15552, while the sum is 32.
The square root of 239436041 is about 15473.7209810698. The cubic root of 239436041 is about 620.9593550499.
The spelling of 239436041 in words is "two hundred thirty-nine million, four hundred thirty-six thousand, forty-one".
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