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804994353 = 321729317957
BaseRepresentation
bin101111111110110…
…011110100110001
32002002201221122200
4233332303310301
53122034304403
6211513453413
725643224212
oct5776636461
92062657580
10804994353
11383442199
121a5711269
13caa11227
1478ca9409
154aa11ca3
hex2ffb3d31

804994353 has 24 divisors (see below), whose sum is σ = 1235438568. Its totient is φ = 503342592.

The previous prime is 804994343. The next prime is 804994363. The reversal of 804994353 is 353499408.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (804994343) and next prime (804994363).

It can be written as a sum of positive squares in 4 ways, for example, as 699972849 + 105021504 = 26457^2 + 10248^2 .

It is not a de Polignac number, because 804994353 - 218 = 804732209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 804994299 and 804994308.

It is not an unprimeable number, because it can be changed into a prime (804994313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35851 + ... + 53807.

It is an arithmetic number, because the mean of its divisors is an integer number (51476607).

Almost surely, 2804994353 is an apocalyptic number.

It is an amenable number.

804994353 is a deficient number, since it is larger than the sum of its proper divisors (430444215).

804994353 is a wasteful number, since it uses less digits than its factorization.

804994353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18273 (or 18270 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 804994353 is about 28372.4224027488. The cubic root of 804994353 is about 930.2455716395.

The spelling of 804994353 in words is "eight hundred four million, nine hundred ninety-four thousand, three hundred fifty-three".

Divisors: 1 3 9 17 51 153 293 879 2637 4981 14943 17957 44829 53871 161613 305269 915807 2747421 5261401 15784203 47352609 89443817 268331451 804994353