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728468353 = 1634469131
BaseRepresentation
bin101011011010111…
…000101110000001
31212202202000201101
4223122320232001
52442441441403
6200141334401
724023610304
oct5332705601
91782660641
10728468353
11344224068
12183b67401
13b7bc9182
146ca68b3b
1543e4771d
hex2b6b8b81

728468353 has 4 divisors (see below), whose sum is σ = 732937648. Its totient is φ = 723999060.

The previous prime is 728468333. The next prime is 728468357. The reversal of 728468353 is 353864827.

728468353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 728468353 - 29 = 728467841 is a prime.

It is a super-2 number, since 2×7284683532 = 1061332282645065218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728468357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2234403 + ... + 2234728.

It is an arithmetic number, because the mean of its divisors is an integer number (183234412).

Almost surely, 2728468353 is an apocalyptic number.

It is an amenable number.

728468353 is a deficient number, since it is larger than the sum of its proper divisors (4469295).

728468353 is a wasteful number, since it uses less digits than its factorization.

728468353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4469294.

The product of its digits is 967680, while the sum is 46.

The square root of 728468353 is about 26990.1528895262. The cubic root of 728468353 is about 899.7811620195.

The spelling of 728468353 in words is "seven hundred twenty-eight million, four hundred sixty-eight thousand, three hundred fifty-three".

Divisors: 1 163 4469131 728468353