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805369494 = 23157854957
BaseRepresentation
bin110000000000001…
…111011010010110
32002010110000020210
4300000033122112
53122133310434
6211525510250
725646346006
oct6000173226
92063400223
10805369494
11383679026
121a5872386
13cab12bc7
1478d66006
154aa87ee9
hex3000f696

805369494 has 16 divisors (see below), whose sum is σ = 1621000368. Its totient is φ = 266746272.

The previous prime is 805369457. The next prime is 805369531. The reversal of 805369494 is 494963508.

It is an interprime number because it is at equal distance from previous prime (805369457) and next prime (805369531).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426537 + ... + 428420.

It is an arithmetic number, because the mean of its divisors is an integer number (101312523).

Almost surely, 2805369494 is an apocalyptic number.

805369494 is an abundant number, since it is smaller than the sum of its proper divisors (815630874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

805369494 is a wasteful number, since it uses less digits than its factorization.

805369494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855119.

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 805369494 is about 28379.0326473613. The cubic root of 805369494 is about 930.3900525946.

The spelling of 805369494 in words is "eight hundred five million, three hundred sixty-nine thousand, four hundred ninety-four".

Divisors: 1 2 3 6 157 314 471 942 854957 1709914 2564871 5129742 134228249 268456498 402684747 805369494