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726385083 = 3242128361
BaseRepresentation
bin101011010010111…
…100000110111011
31212121211012000020
4223102330012323
52441423310313
6200024541523
724000112524
oct5322740673
91777735006
10726385083
11343030956
121833218a3
13b7649b78
146c68584b
1543b85323
hex2b4bc1bb

726385083 has 4 divisors (see below), whose sum is σ = 968513448. Its totient is φ = 484256720.

The previous prime is 726385021. The next prime is 726385157. The reversal of 726385083 is 380583627.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 380583627 = 3126861209.

It is a cyclic number.

It is not a de Polignac number, because 726385083 - 210 = 726384059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (726385183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121064178 + ... + 121064183.

It is an arithmetic number, because the mean of its divisors is an integer number (242128362).

Almost surely, 2726385083 is an apocalyptic number.

726385083 is a deficient number, since it is larger than the sum of its proper divisors (242128365).

726385083 is a wasteful number, since it uses less digits than its factorization.

726385083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242128364.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 726385083 is about 26951.5321085834. The cubic root of 726385083 is about 898.9226132480.

The spelling of 726385083 in words is "seven hundred twenty-six million, three hundred eighty-five thousand, eighty-three".

Divisors: 1 3 242128361 726385083