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728325327 = 31366917761
BaseRepresentation
bin101011011010010…
…101110011001111
31212202110202112010
4223122111303033
52442422402302
6200134312303
724022443312
oct5332256317
91782422463
10728325327
11344136664
12183ab8693
13b7b79042
146ca2c979
1543e1a16c
hex2b695ccf

728325327 has 8 divisors (see below), whose sum is σ = 971226160. Its totient is φ = 485487360.

The previous prime is 728325289. The next prime is 728325331. The reversal of 728325327 is 723523827.

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

It is not a de Polignac number, because 728325327 - 26 = 728325263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728325127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32127 + ... + 49887.

It is an arithmetic number, because the mean of its divisors is an integer number (121403270).

Almost surely, 2728325327 is an apocalyptic number.

728325327 is a deficient number, since it is larger than the sum of its proper divisors (242900833).

728325327 is a wasteful number, since it uses less digits than its factorization.

728325327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31433.

The product of its digits is 141120, while the sum is 39.

The square root of 728325327 is about 26987.5031635014. The cubic root of 728325327 is about 899.7222710952.

The spelling of 728325327 in words is "seven hundred twenty-eight million, three hundred twenty-five thousand, three hundred twenty-seven".

Divisors: 1 3 13669 17761 41007 53283 242775109 728325327