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805014729 = 32421212461
BaseRepresentation
bin101111111110111…
…000110011001001
32002002202222121100
4233332320303021
53122040432404
6211514132013
725643340501
oct5776706311
92062688540
10805014729
11383456532
121a5721009
13caa1a59c
1478cb2a01
154aa17d39
hex2ffb8cc9

805014729 has 12 divisors (see below), whose sum is σ = 1165566532. Its totient is φ = 535399200.

The previous prime is 805014713. The next prime is 805014751. The reversal of 805014729 is 927410508.

805014729 is a `hidden beast` number, since 80 + 501 + 4 + 72 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13155129 + 791859600 = 3627^2 + 28140^2 .

It is not a de Polignac number, because 805014729 - 24 = 805014713 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 = 805014693 and 805014702.

It is not an unprimeable number, because it can be changed into a prime (805014229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102442 + ... + 110019.

Almost surely, 2805014729 is an apocalyptic number.

It is an amenable number.

805014729 is a deficient number, since it is larger than the sum of its proper divisors (360551803).

805014729 is a wasteful number, since it uses less digits than its factorization.

805014729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212888 (or 212885 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 805014729 is about 28372.7814815538. The cubic root of 805014729 is about 930.2534203587.

The spelling of 805014729 in words is "eight hundred five million, fourteen thousand, seven hundred twenty-nine".

Divisors: 1 3 9 421 1263 3789 212461 637383 1912149 89446081 268338243 805014729