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808740741 = 3318696137
BaseRepresentation
bin110000001101000…
…110011110000101
32002100210021201210
4300031012132011
53124014200431
6212130042033
726020116504
oct6015063605
92070707653
10808740741
11385570986
121a6a19319
13cb723523
14795a283b
154b001d46
hex30346785

808740741 has 8 divisors (see below), whose sum is σ = 1113105664. Its totient is φ = 521768160.

The previous prime is 808740739. The next prime is 808740763. The reversal of 808740741 is 147047808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 808740741 - 21 = 808740739 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 808740741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808740721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4347976 + ... + 4348161.

It is an arithmetic number, because the mean of its divisors is an integer number (139138208).

Almost surely, 2808740741 is an apocalyptic number.

It is an amenable number.

808740741 is a deficient number, since it is larger than the sum of its proper divisors (304364923).

808740741 is a wasteful number, since it uses less digits than its factorization.

808740741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8696171.

The product of its (nonzero) digits is 50176, while the sum is 39.

The square root of 808740741 is about 28438.3674109468. The cubic root of 808740741 is about 931.6864382154.

It can be divided in two parts, 8087 and 40741, that added together give a triangular number (48828 = T312).

The spelling of 808740741 in words is "eight hundred eight million, seven hundred forty thousand, seven hundred forty-one".

Divisors: 1 3 31 93 8696137 26088411 269580247 808740741