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11728343 = 116911543
BaseRepresentation
bin101100101111…
…010111010111
3211001212021002
4230233113113
511000301333
61055213515
7201455264
oct54572727
924055232
1011728343
116690750
123b1729b
132578463
1417b426b
15106a0e8
hexb2f5d7

11728343 has 8 divisors (see below), whose sum is σ = 12821376. Its totient is φ = 10639800.

The previous prime is 11728319. The next prime is 11728349. The reversal of 11728343 is 34382711.

11728343 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11728343 - 26 = 11728279 is a prime.

It is a super-4 number, since 4×117283434 (a number of 29 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11728349) 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, 6830 + ... + 8372.

It is an arithmetic number, because the mean of its divisors is an integer number (1602672).

Almost surely, 211728343 is an apocalyptic number.

11728343 is a deficient number, since it is larger than the sum of its proper divisors (1093033).

11728343 is a wasteful number, since it uses less digits than its factorization.

11728343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245.

The product of its digits is 4032, while the sum is 29.

The square root of 11728343 is about 3424.6668451106. Note that the first 3 decimals coincide. The cubic root of 11728343 is about 227.2020363564.

The spelling of 11728343 in words is "eleven million, seven hundred twenty-eight thousand, three hundred forty-three".

Divisors: 1 11 691 1543 7601 16973 1066213 11728343