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729842067 = 3281093563
BaseRepresentation
bin101011100000001…
…000000110010011
31212212022211002200
4223200020012103
52443314421232
6200231014243
724041361303
oct5340100623
91785284080
10729842067
11344a82169
1218450a383
13b828a516
146cd05603
154411977c
hex2b808193

729842067 has 6 divisors (see below), whose sum is σ = 1054216332. Its totient is φ = 486561372.

The previous prime is 729842033. The next prime is 729842111. The reversal of 729842067 is 760248927.

It is not a de Polignac number, because 729842067 - 27 = 729841939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (729842467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40546773 + ... + 40546790.

It is an arithmetic number, because the mean of its divisors is an integer number (175702722).

Almost surely, 2729842067 is an apocalyptic number.

729842067 is a deficient number, since it is larger than the sum of its proper divisors (324374265).

729842067 is a wasteful number, since it uses less digits than its factorization.

729842067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81093569 (or 81093566 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 729842067 is about 27015.5893328278. The cubic root of 729842067 is about 900.3463962899.

The spelling of 729842067 in words is "seven hundred twenty-nine million, eight hundred forty-two thousand, sixty-seven".

Divisors: 1 3 9 81093563 243280689 729842067