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320366041 = 1013171941
BaseRepresentation
bin10011000110000…
…110010111011001
3211022211021120221
4103012012113121
51124003203131
651442320041
710640031532
oct2306062731
9738737527
10320366041
11154924826
128b359021
13514aba08
1430795689
151d1d3411
hex131865d9

320366041 has 4 divisors (see below), whose sum is σ = 323538084. Its totient is φ = 317194000.

The previous prime is 320366023. The next prime is 320366051. The reversal of 320366041 is 140663023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140663023 = 197403317.

It can be written as a sum of positive squares in 2 ways, for example, as 309900816 + 10465225 = 17604^2 + 3235^2 .

It is a cyclic number.

It is not a de Polignac number, because 320366041 - 211 = 320363993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320365997 and 320366015.

It is not an unprimeable number, because it can be changed into a prime (320366021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1585870 + ... + 1586071.

It is an arithmetic number, because the mean of its divisors is an integer number (80884521).

Almost surely, 2320366041 is an apocalyptic number.

It is an amenable number.

320366041 is a deficient number, since it is larger than the sum of its proper divisors (3172043).

320366041 is a wasteful number, since it uses less digits than its factorization.

320366041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172042.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 320366041 is about 17898.7720528532. The cubic root of 320366041 is about 684.2510798364.

The spelling of 320366041 in words is "three hundred twenty million, three hundred sixty-six thousand, forty-one".

Divisors: 1 101 3171941 320366041